Home / 2,702.15-4,053.20-1,057.53

Finding the Fourth Proportional to 2,702.15, 4,053.20 and 1,057.53

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Solution

The fourth proportional to 2,702.15, 4,053.20 and 1,057.53 is: 1,586.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,702.15 : 4,053.20 = 1,057.53 : x
  2. Step 2: Convert to fraction form
    2,702.15/4,053.20 = 1,057.53/x
  3. Step 3: Cross multiply
    2,702.15x = 4,053.20 × 1,057.53
  4. Step 4: Simplify right side
    2,702.15x = 4,286,380.60
  5. Step 5: Solve for x
    x = 4,286,380.60/2,702.15
  6. Step 6: Final answer
    x = 1,586.29

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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.