Home / 4,881.20-7,319.10-1,592.60

Finding the Fourth Proportional to 4,881.20, 7,319.10 and 1,592.60

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Solution

The fourth proportional to 4,881.20, 7,319.10 and 1,592.60 is: 2,388.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.20 : 7,319.10 = 1,592.60 : x
  2. Step 2: Convert to fraction form
    4,881.20/7,319.10 = 1,592.60/x
  3. Step 3: Cross multiply
    4,881.20x = 7,319.10 × 1,592.60
  4. Step 4: Simplify right side
    4,881.20x = 11,656,398.66
  5. Step 5: Solve for x
    x = 11,656,398.66/4,881.20
  6. Step 6: Final answer
    x = 2,388.02

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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.