Home / 5,158.59-7,734.18-4,172.61

Finding the Fourth Proportional to 5,158.59, 7,734.18 and 4,172.61

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Solution

The fourth proportional to 5,158.59, 7,734.18 and 4,172.61 is: 6,255.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.59 : 7,734.18 = 4,172.61 : x
  2. Step 2: Convert to fraction form
    5,158.59/7,734.18 = 4,172.61/x
  3. Step 3: Cross multiply
    5,158.59x = 7,734.18 × 4,172.61
  4. Step 4: Simplify right side
    5,158.59x = 32,271,761.46
  5. Step 5: Solve for x
    x = 32,271,761.46/5,158.59
  6. Step 6: Final answer
    x = 6,255.93

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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.