Home / 3,351.17-4,624.28-1,915.55

Finding the Fourth Proportional to 3,351.17, 4,624.28 and 1,915.55

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Solution

The fourth proportional to 3,351.17, 4,624.28 and 1,915.55 is: 2,643.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.17 : 4,624.28 = 1,915.55 : x
  2. Step 2: Convert to fraction form
    3,351.17/4,624.28 = 1,915.55/x
  3. Step 3: Cross multiply
    3,351.17x = 4,624.28 × 1,915.55
  4. Step 4: Simplify right side
    3,351.17x = 8,858,006.85
  5. Step 5: Solve for x
    x = 8,858,006.85/3,351.17
  6. Step 6: Final answer
    x = 2,643.26

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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.