Home / 7,425.47-10,246.91-4,068.20

Finding the Fourth Proportional to 7,425.47, 10,246.91 and 4,068.20

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Solution

The fourth proportional to 7,425.47, 10,246.91 and 4,068.20 is: 5,613.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.47 : 10,246.91 = 4,068.20 : x
  2. Step 2: Convert to fraction form
    7,425.47/10,246.91 = 4,068.20/x
  3. Step 3: Cross multiply
    7,425.47x = 10,246.91 × 4,068.20
  4. Step 4: Simplify right side
    7,425.47x = 41,686,407.69
  5. Step 5: Solve for x
    x = 41,686,407.69/7,425.47
  6. Step 6: Final answer
    x = 5,613.98

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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.