Home / 5,380.53-8,062.59-2,455.41

Finding the Fourth Proportional to 5,380.53, 8,062.59 and 2,455.41

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Solution

The fourth proportional to 5,380.53, 8,062.59 and 2,455.41 is: 3,679.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.53 : 8,062.59 = 2,455.41 : x
  2. Step 2: Convert to fraction form
    5,380.53/8,062.59 = 2,455.41/x
  3. Step 3: Cross multiply
    5,380.53x = 8,062.59 × 2,455.41
  4. Step 4: Simplify right side
    5,380.53x = 19,796,989.74
  5. Step 5: Solve for x
    x = 19,796,989.74/5,380.53
  6. Step 6: Final answer
    x = 3,679.38

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1.5x scale

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.