Home / 3,587.64-4,939.50-3,061.56

Finding the Fourth Proportional to 3,587.64, 4,939.50 and 3,061.56

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Solution

The fourth proportional to 3,587.64, 4,939.50 and 3,061.56 is: 4,215.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.64 : 4,939.50 = 3,061.56 : x
  2. Step 2: Convert to fraction form
    3,587.64/4,939.50 = 3,061.56/x
  3. Step 3: Cross multiply
    3,587.64x = 4,939.50 × 3,061.56
  4. Step 4: Simplify right side
    3,587.64x = 15,122,575.62
  5. Step 5: Solve for x
    x = 15,122,575.62/3,587.64
  6. Step 6: Final answer
    x = 4,215.19

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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.