Home / 4,311.84-5,949.12-2,915.52

Finding the Fourth Proportional to 4,311.84, 5,949.12 and 2,915.52

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Solution

The fourth proportional to 4,311.84, 5,949.12 and 2,915.52 is: 4,022.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.84 : 5,949.12 = 2,915.52 : x
  2. Step 2: Convert to fraction form
    4,311.84/5,949.12 = 2,915.52/x
  3. Step 3: Cross multiply
    4,311.84x = 5,949.12 × 2,915.52
  4. Step 4: Simplify right side
    4,311.84x = 17,344,778.34
  5. Step 5: Solve for x
    x = 17,344,778.34/4,311.84
  6. Step 6: Final answer
    x = 4,022.59

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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.