Home / 3,702.10-5,103.49-2,816.37

Finding the Fourth Proportional to 3,702.10, 5,103.49 and 2,816.37

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Solution

The fourth proportional to 3,702.10, 5,103.49 and 2,816.37 is: 3,882.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702.10 : 5,103.49 = 2,816.37 : x
  2. Step 2: Convert to fraction form
    3,702.10/5,103.49 = 2,816.37/x
  3. Step 3: Cross multiply
    3,702.10x = 5,103.49 × 2,816.37
  4. Step 4: Simplify right side
    3,702.10x = 14,373,276.53
  5. Step 5: Solve for x
    x = 14,373,276.53/3,702.10
  6. Step 6: Final answer
    x = 3,882.47

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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.