Home / 7,517.10-10,373.45-4,159.72

Finding the Fourth Proportional to 7,517.10, 10,373.45 and 4,159.72

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Solution

The fourth proportional to 7,517.10, 10,373.45 and 4,159.72 is: 5,740.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517.10 : 10,373.45 = 4,159.72 : x
  2. Step 2: Convert to fraction form
    7,517.10/10,373.45 = 4,159.72/x
  3. Step 3: Cross multiply
    7,517.10x = 10,373.45 × 4,159.72
  4. Step 4: Simplify right side
    7,517.10x = 43,150,581.25
  5. Step 5: Solve for x
    x = 43,150,581.25/7,517.10
  6. Step 6: Final answer
    x = 5,740.32

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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.