Home / 5,400.12-8,097.40-2,475.88

Finding the Fourth Proportional to 5,400.12, 8,097.40 and 2,475.88

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Solution

The fourth proportional to 5,400.12, 8,097.40 and 2,475.88 is: 3,712.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.12 : 8,097.40 = 2,475.88 : x
  2. Step 2: Convert to fraction form
    5,400.12/8,097.40 = 2,475.88/x
  3. Step 3: Cross multiply
    5,400.12x = 8,097.40 × 2,475.88
  4. Step 4: Simplify right side
    5,400.12x = 20,048,190.71
  5. Step 5: Solve for x
    x = 20,048,190.71/5,400.12
  6. Step 6: Final answer
    x = 3,712.55

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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.