Home / 7,542.68-11,315.27-3,160.46

Finding the Fourth Proportional to 7,542.68, 11,315.27 and 3,160.46

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Solution

The fourth proportional to 7,542.68, 11,315.27 and 3,160.46 is: 4,741.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.68 : 11,315.27 = 3,160.46 : x
  2. Step 2: Convert to fraction form
    7,542.68/11,315.27 = 3,160.46/x
  3. Step 3: Cross multiply
    7,542.68x = 11,315.27 × 3,160.46
  4. Step 4: Simplify right side
    7,542.68x = 35,761,494.41
  5. Step 5: Solve for x
    x = 35,761,494.41/7,542.68
  6. Step 6: Final answer
    x = 4,741.22

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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.