Home / 3,904.29-5,390.15-2,581.83

Finding the Fourth Proportional to 3,904.29, 5,390.15 and 2,581.83

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Solution

The fourth proportional to 3,904.29, 5,390.15 and 2,581.83 is: 3,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.29 : 5,390.15 = 2,581.83 : x
  2. Step 2: Convert to fraction form
    3,904.29/5,390.15 = 2,581.83/x
  3. Step 3: Cross multiply
    3,904.29x = 5,390.15 × 2,581.83
  4. Step 4: Simplify right side
    3,904.29x = 13,916,450.97
  5. Step 5: Solve for x
    x = 13,916,450.97/3,904.29
  6. Step 6: Final answer
    x = 3,564.40

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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.