Home / 7,439.29-10,265.56-4,251.95

Finding the Fourth Proportional to 7,439.29, 10,265.56 and 4,251.95

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Solution

The fourth proportional to 7,439.29, 10,265.56 and 4,251.95 is: 5,867.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.29 : 10,265.56 = 4,251.95 : x
  2. Step 2: Convert to fraction form
    7,439.29/10,265.56 = 4,251.95/x
  3. Step 3: Cross multiply
    7,439.29x = 10,265.56 × 4,251.95
  4. Step 4: Simplify right side
    7,439.29x = 43,648,647.84
  5. Step 5: Solve for x
    x = 43,648,647.84/7,439.29
  6. Step 6: Final answer
    x = 5,867.31

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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.