Home / 5,251.12-7,246.71-3,013.40

Finding the Fourth Proportional to 5,251.12, 7,246.71 and 3,013.40

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Solution

The fourth proportional to 5,251.12, 7,246.71 and 3,013.40 is: 4,158.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.12 : 7,246.71 = 3,013.40 : x
  2. Step 2: Convert to fraction form
    5,251.12/7,246.71 = 3,013.40/x
  3. Step 3: Cross multiply
    5,251.12x = 7,246.71 × 3,013.40
  4. Step 4: Simplify right side
    5,251.12x = 21,837,242.73
  5. Step 5: Solve for x
    x = 21,837,242.73/5,251.12
  6. Step 6: Final answer
    x = 4,158.59

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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.