Home / 7,515.95-10,371.14-4,158.29

Finding the Fourth Proportional to 7,515.95, 10,371.14 and 4,158.29

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Solution

The fourth proportional to 7,515.95, 10,371.14 and 4,158.29 is: 5,737.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.95 : 10,371.14 = 4,158.29 : x
  2. Step 2: Convert to fraction form
    7,515.95/10,371.14 = 4,158.29/x
  3. Step 3: Cross multiply
    7,515.95x = 10,371.14 × 4,158.29
  4. Step 4: Simplify right side
    7,515.95x = 43,126,135.10
  5. Step 5: Solve for x
    x = 43,126,135.10/7,515.95
  6. Step 6: Final answer
    x = 5,737.95

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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.