Home / 6,475.12-9,714.04-2,092.40

Finding the Fourth Proportional to 6,475.12, 9,714.04 and 2,092.40

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Solution

The fourth proportional to 6,475.12, 9,714.04 and 2,092.40 is: 3,139.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475.12 : 9,714.04 = 2,092.40 : x
  2. Step 2: Convert to fraction form
    6,475.12/9,714.04 = 2,092.40/x
  3. Step 3: Cross multiply
    6,475.12x = 9,714.04 × 2,092.40
  4. Step 4: Simplify right side
    6,475.12x = 20,325,657.30
  5. Step 5: Solve for x
    x = 20,325,657.30/6,475.12
  6. Step 6: Final answer
    x = 3,139.04

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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.