Home / 4,140.15-5,712.98-2,371.83

Finding the Fourth Proportional to 4,140.15, 5,712.98 and 2,371.83

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Solution

The fourth proportional to 4,140.15, 5,712.98 and 2,371.83 is: 3,272.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.15 : 5,712.98 = 2,371.83 : x
  2. Step 2: Convert to fraction form
    4,140.15/5,712.98 = 2,371.83/x
  3. Step 3: Cross multiply
    4,140.15x = 5,712.98 × 2,371.83
  4. Step 4: Simplify right side
    4,140.15x = 13,550,205.49
  5. Step 5: Solve for x
    x = 13,550,205.49/4,140.15
  6. Step 6: Final answer
    x = 3,272.88

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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.