Home / 7,338.36-10,127.52-4,194.75

Finding the Fourth Proportional to 7,338.36, 10,127.52 and 4,194.75

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Solution

The fourth proportional to 7,338.36, 10,127.52 and 4,194.75 is: 5,789.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.36 : 10,127.52 = 4,194.75 : x
  2. Step 2: Convert to fraction form
    7,338.36/10,127.52 = 4,194.75/x
  3. Step 3: Cross multiply
    7,338.36x = 10,127.52 × 4,194.75
  4. Step 4: Simplify right side
    7,338.36x = 42,482,414.52
  5. Step 5: Solve for x
    x = 42,482,414.52/7,338.36
  6. Step 6: Final answer
    x = 5,789.09

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Find fourth proportional to 3,669.18, 5,063.76 and 2,097.38
Half scale
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Double scale
Find fourth proportional to 7,339.36, 10,128.90 and 4,195.75
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.