Home / 2,951.24-4,060.53-2,878.34

Finding the Fourth Proportional to 2,951.24, 4,060.53 and 2,878.34

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Solution

The fourth proportional to 2,951.24, 4,060.53 and 2,878.34 is: 3,960.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.24 : 4,060.53 = 2,878.34 : x
  2. Step 2: Convert to fraction form
    2,951.24/4,060.53 = 2,878.34/x
  3. Step 3: Cross multiply
    2,951.24x = 4,060.53 × 2,878.34
  4. Step 4: Simplify right side
    2,951.24x = 11,687,565.62
  5. Step 5: Solve for x
    x = 11,687,565.62/2,951.24
  6. Step 6: Final answer
    x = 3,960.23

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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.