Home / 7,045.38-10,572.12-3,149.28

Finding the Fourth Proportional to 7,045.38, 10,572.12 and 3,149.28

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Solution

The fourth proportional to 7,045.38, 10,572.12 and 3,149.28 is: 4,725.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.38 : 10,572.12 = 3,149.28 : x
  2. Step 2: Convert to fraction form
    7,045.38/10,572.12 = 3,149.28/x
  3. Step 3: Cross multiply
    7,045.38x = 10,572.12 × 3,149.28
  4. Step 4: Simplify right side
    7,045.38x = 33,294,566.07
  5. Step 5: Solve for x
    x = 33,294,566.07/7,045.38
  6. Step 6: Final answer
    x = 4,725.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.