Home / 3,032.52-4,187.61-1,915.44

Finding the Fourth Proportional to 3,032.52, 4,187.61 and 1,915.44

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Solution

The fourth proportional to 3,032.52, 4,187.61 and 1,915.44 is: 2,645.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,032.52 : 4,187.61 = 1,915.44 : x
  2. Step 2: Convert to fraction form
    3,032.52/4,187.61 = 1,915.44/x
  3. Step 3: Cross multiply
    3,032.52x = 4,187.61 × 1,915.44
  4. Step 4: Simplify right side
    3,032.52x = 8,021,115.70
  5. Step 5: Solve for x
    x = 8,021,115.70/3,032.52
  6. Step 6: Final answer
    x = 2,645.03

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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.