Home / 5,318.07-7,337.87-2,959.76

Finding the Fourth Proportional to 5,318.07, 7,337.87 and 2,959.76

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Solution

The fourth proportional to 5,318.07, 7,337.87 and 2,959.76 is: 4,083.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.07 : 7,337.87 = 2,959.76 : x
  2. Step 2: Convert to fraction form
    5,318.07/7,337.87 = 2,959.76/x
  3. Step 3: Cross multiply
    5,318.07x = 7,337.87 × 2,959.76
  4. Step 4: Simplify right side
    5,318.07x = 21,718,304.82
  5. Step 5: Solve for x
    x = 21,718,304.82/5,318.07
  6. Step 6: Final answer
    x = 4,083.87

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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.