Home / 3,588.17-5,378.71-1,508.70

Finding the Fourth Proportional to 3,588.17, 5,378.71 and 1,508.70

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Solution

The fourth proportional to 3,588.17, 5,378.71 and 1,508.70 is: 2,261.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,588.17 : 5,378.71 = 1,508.70 : x
  2. Step 2: Convert to fraction form
    3,588.17/5,378.71 = 1,508.70/x
  3. Step 3: Cross multiply
    3,588.17x = 5,378.71 × 1,508.70
  4. Step 4: Simplify right side
    3,588.17x = 8,114,859.78
  5. Step 5: Solve for x
    x = 8,114,859.78/3,588.17
  6. Step 6: Final answer
    x = 2,261.56

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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.