Home / 5,915.75-8,876.25-3,141.74

Finding the Fourth Proportional to 5,915.75, 8,876.25 and 3,141.74

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Solution

The fourth proportional to 5,915.75, 8,876.25 and 3,141.74 is: 4,714.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.75 : 8,876.25 = 3,141.74 : x
  2. Step 2: Convert to fraction form
    5,915.75/8,876.25 = 3,141.74/x
  3. Step 3: Cross multiply
    5,915.75x = 8,876.25 × 3,141.74
  4. Step 4: Simplify right side
    5,915.75x = 27,886,891.87
  5. Step 5: Solve for x
    x = 27,886,891.87/5,915.75
  6. Step 6: Final answer
    x = 4,714.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.