Home / 5,068.20-7,602.76-1,781.04

Finding the Fourth Proportional to 5,068.20, 7,602.76 and 1,781.04

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Solution

The fourth proportional to 5,068.20, 7,602.76 and 1,781.04 is: 2,671.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,068.20 : 7,602.76 = 1,781.04 : x
  2. Step 2: Convert to fraction form
    5,068.20/7,602.76 = 1,781.04/x
  3. Step 3: Cross multiply
    5,068.20x = 7,602.76 × 1,781.04
  4. Step 4: Simplify right side
    5,068.20x = 13,540,819.67
  5. Step 5: Solve for x
    x = 13,540,819.67/5,068.20
  6. Step 6: Final answer
    x = 2,671.72

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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.