Home / 5,274.87-7,279.52-3,411.87

Finding the Fourth Proportional to 5,274.87, 7,279.52 and 3,411.87

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Solution

The fourth proportional to 5,274.87, 7,279.52 and 3,411.87 is: 4,708.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.87 : 7,279.52 = 3,411.87 : x
  2. Step 2: Convert to fraction form
    5,274.87/7,279.52 = 3,411.87/x
  3. Step 3: Cross multiply
    5,274.87x = 7,279.52 × 3,411.87
  4. Step 4: Simplify right side
    5,274.87x = 24,836,758.84
  5. Step 5: Solve for x
    x = 24,836,758.84/5,274.87
  6. Step 6: Final answer
    x = 4,708.51

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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.