Home / 7,335.46-10,122.87-4,149.38

Finding the Fourth Proportional to 7,335.46, 10,122.87 and 4,149.38

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Solution

The fourth proportional to 7,335.46, 10,122.87 and 4,149.38 is: 5,726.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.46 : 10,122.87 = 4,149.38 : x
  2. Step 2: Convert to fraction form
    7,335.46/10,122.87 = 4,149.38/x
  3. Step 3: Cross multiply
    7,335.46x = 10,122.87 × 4,149.38
  4. Step 4: Simplify right side
    7,335.46x = 42,003,618.25
  5. Step 5: Solve for x
    x = 42,003,618.25/7,335.46
  6. Step 6: Final answer
    x = 5,726.10

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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.