Home / 5,505.90-7,597.97-2,987.88

Finding the Fourth Proportional to 5,505.90, 7,597.97 and 2,987.88

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Solution

The fourth proportional to 5,505.90, 7,597.97 and 2,987.88 is: 4,123.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.90 : 7,597.97 = 2,987.88 : x
  2. Step 2: Convert to fraction form
    5,505.90/7,597.97 = 2,987.88/x
  3. Step 3: Cross multiply
    5,505.90x = 7,597.97 × 2,987.88
  4. Step 4: Simplify right side
    5,505.90x = 22,701,807.66
  5. Step 5: Solve for x
    x = 22,701,807.66/5,505.90
  6. Step 6: Final answer
    x = 4,123.18

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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.