Home / 5,575.02-7,691.40-3,216.30

Finding the Fourth Proportional to 5,575.02, 7,691.40 and 3,216.30

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Solution

The fourth proportional to 5,575.02, 7,691.40 and 3,216.30 is: 4,437.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,575.02 : 7,691.40 = 3,216.30 : x
  2. Step 2: Convert to fraction form
    5,575.02/7,691.40 = 3,216.30/x
  3. Step 3: Cross multiply
    5,575.02x = 7,691.40 × 3,216.30
  4. Step 4: Simplify right side
    5,575.02x = 24,737,849.82
  5. Step 5: Solve for x
    x = 24,737,849.82/5,575.02
  6. Step 6: Final answer
    x = 4,437.27

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1.5x scale

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.