Home / 5,270.11-7,904.15-2,458.17

Finding the Fourth Proportional to 5,270.11, 7,904.15 and 2,458.17

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Solution

The fourth proportional to 5,270.11, 7,904.15 and 2,458.17 is: 3,686.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.11 : 7,904.15 = 2,458.17 : x
  2. Step 2: Convert to fraction form
    5,270.11/7,904.15 = 2,458.17/x
  3. Step 3: Cross multiply
    5,270.11x = 7,904.15 × 2,458.17
  4. Step 4: Simplify right side
    5,270.11x = 19,429,750.55
  5. Step 5: Solve for x
    x = 19,429,750.55/5,270.11
  6. Step 6: Final answer
    x = 3,686.78

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1.5x scale

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.