Home / 6,451.13-8,902.70-3,656.63

Finding the Fourth Proportional to 6,451.13, 8,902.70 and 3,656.63

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Solution

The fourth proportional to 6,451.13, 8,902.70 and 3,656.63 is: 5,046.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,451.13 : 8,902.70 = 3,656.63 : x
  2. Step 2: Convert to fraction form
    6,451.13/8,902.70 = 3,656.63/x
  3. Step 3: Cross multiply
    6,451.13x = 8,902.70 × 3,656.63
  4. Step 4: Simplify right side
    6,451.13x = 32,553,817.10
  5. Step 5: Solve for x
    x = 32,553,817.10/6,451.13
  6. Step 6: Final answer
    x = 5,046.22

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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.