Home / 3,707.92-5,113.98-2,381.76

Finding the Fourth Proportional to 3,707.92, 5,113.98 and 2,381.76

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Solution

The fourth proportional to 3,707.92, 5,113.98 and 2,381.76 is: 3,284.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707.92 : 5,113.98 = 2,381.76 : x
  2. Step 2: Convert to fraction form
    3,707.92/5,113.98 = 2,381.76/x
  3. Step 3: Cross multiply
    3,707.92x = 5,113.98 × 2,381.76
  4. Step 4: Simplify right side
    3,707.92x = 12,180,273.00
  5. Step 5: Solve for x
    x = 12,180,273.00/3,707.92
  6. Step 6: Final answer
    x = 3,284.93

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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.