Home / 4,668.56-6,442.08-2,678.92

Finding the Fourth Proportional to 4,668.56, 6,442.08 and 2,678.92

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Solution

The fourth proportional to 4,668.56, 6,442.08 and 2,678.92 is: 3,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,668.56 : 6,442.08 = 2,678.92 : x
  2. Step 2: Convert to fraction form
    4,668.56/6,442.08 = 2,678.92/x
  3. Step 3: Cross multiply
    4,668.56x = 6,442.08 × 2,678.92
  4. Step 4: Simplify right side
    4,668.56x = 17,257,816.95
  5. Step 5: Solve for x
    x = 17,257,816.95/4,668.56
  6. Step 6: Final answer
    x = 3,696.60

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Half scale
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Double scale
Find fourth proportional to 4,669.56, 6,443.46 and 2,679.92
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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.