Home / 7,425.71-10,247.91-4,068.53

Finding the Fourth Proportional to 7,425.71, 10,247.91 and 4,068.53

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Solution

The fourth proportional to 7,425.71, 10,247.91 and 4,068.53 is: 5,614.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.71 : 10,247.91 = 4,068.53 : x
  2. Step 2: Convert to fraction form
    7,425.71/10,247.91 = 4,068.53/x
  3. Step 3: Cross multiply
    7,425.71x = 10,247.91 × 4,068.53
  4. Step 4: Simplify right side
    7,425.71x = 41,693,929.27
  5. Step 5: Solve for x
    x = 41,693,929.27/7,425.71
  6. Step 6: Final answer
    x = 5,614.81

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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.