Home / 2,575.92-3,554.33-1,513.79

Finding the Fourth Proportional to 2,575.92, 3,554.33 and 1,513.79

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Solution

The fourth proportional to 2,575.92, 3,554.33 and 1,513.79 is: 2,088.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.92 : 3,554.33 = 1,513.79 : x
  2. Step 2: Convert to fraction form
    2,575.92/3,554.33 = 1,513.79/x
  3. Step 3: Cross multiply
    2,575.92x = 3,554.33 × 1,513.79
  4. Step 4: Simplify right side
    2,575.92x = 5,380,497.20
  5. Step 5: Solve for x
    x = 5,380,497.20/2,575.92
  6. Step 6: Final answer
    x = 2,088.76

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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.