Home / 5,132.02-7,079.45-3,450.53

Finding the Fourth Proportional to 5,132.02, 7,079.45 and 3,450.53

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Solution

The fourth proportional to 5,132.02, 7,079.45 and 3,450.53 is: 4,759.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.02 : 7,079.45 = 3,450.53 : x
  2. Step 2: Convert to fraction form
    5,132.02/7,079.45 = 3,450.53/x
  3. Step 3: Cross multiply
    5,132.02x = 7,079.45 × 3,450.53
  4. Step 4: Simplify right side
    5,132.02x = 24,427,855.05
  5. Step 5: Solve for x
    x = 24,427,855.05/5,132.02
  6. Step 6: Final answer
    x = 4,759.89

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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.