Home / 5,915.39-8,872.47-3,717.45

Finding the Fourth Proportional to 5,915.39, 8,872.47 and 3,717.45

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Solution

The fourth proportional to 5,915.39, 8,872.47 and 3,717.45 is: 5,575.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.39 : 8,872.47 = 3,717.45 : x
  2. Step 2: Convert to fraction form
    5,915.39/8,872.47 = 3,717.45/x
  3. Step 3: Cross multiply
    5,915.39x = 8,872.47 × 3,717.45
  4. Step 4: Simplify right side
    5,915.39x = 32,982,963.60
  5. Step 5: Solve for x
    x = 32,982,963.60/5,915.39
  6. Step 6: Final answer
    x = 5,575.79

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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.