Home / 7,425.72-10,247.25-4,068.45

Finding the Fourth Proportional to 7,425.72, 10,247.25 and 4,068.45

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Solution

The fourth proportional to 7,425.72, 10,247.25 and 4,068.45 is: 5,614.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.72 : 10,247.25 = 4,068.45 : x
  2. Step 2: Convert to fraction form
    7,425.72/10,247.25 = 4,068.45/x
  3. Step 3: Cross multiply
    7,425.72x = 10,247.25 × 4,068.45
  4. Step 4: Simplify right side
    7,425.72x = 41,690,424.26
  5. Step 5: Solve for x
    x = 41,690,424.26/7,425.72
  6. Step 6: Final answer
    x = 5,614.33

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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.