Home / 3,124.52-4,312.26-1,798.19

Finding the Fourth Proportional to 3,124.52, 4,312.26 and 1,798.19

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Solution

The fourth proportional to 3,124.52, 4,312.26 and 1,798.19 is: 2,481.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.52 : 4,312.26 = 1,798.19 : x
  2. Step 2: Convert to fraction form
    3,124.52/4,312.26 = 1,798.19/x
  3. Step 3: Cross multiply
    3,124.52x = 4,312.26 × 1,798.19
  4. Step 4: Simplify right side
    3,124.52x = 7,754,262.81
  5. Step 5: Solve for x
    x = 7,754,262.81/3,124.52
  6. Step 6: Final answer
    x = 2,481.75

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Half scale
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Double scale
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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.