Home / 5,456.60-7,531.02-3,219.03

Finding the Fourth Proportional to 5,456.60, 7,531.02 and 3,219.03

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Solution

The fourth proportional to 5,456.60, 7,531.02 and 3,219.03 is: 4,442.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.60 : 7,531.02 = 3,219.03 : x
  2. Step 2: Convert to fraction form
    5,456.60/7,531.02 = 3,219.03/x
  3. Step 3: Cross multiply
    5,456.60x = 7,531.02 × 3,219.03
  4. Step 4: Simplify right side
    5,456.60x = 24,242,579.31
  5. Step 5: Solve for x
    x = 24,242,579.31/5,456.60
  6. Step 6: Final answer
    x = 4,442.80

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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.