Home / 3,725.38-5,579.56-1,778.95

Finding the Fourth Proportional to 3,725.38, 5,579.56 and 1,778.95

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Solution

The fourth proportional to 3,725.38, 5,579.56 and 1,778.95 is: 2,664.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.38 : 5,579.56 = 1,778.95 : x
  2. Step 2: Convert to fraction form
    3,725.38/5,579.56 = 1,778.95/x
  3. Step 3: Cross multiply
    3,725.38x = 5,579.56 × 1,778.95
  4. Step 4: Simplify right side
    3,725.38x = 9,925,721.47
  5. Step 5: Solve for x
    x = 9,925,721.47/3,725.38
  6. Step 6: Final answer
    x = 2,664.35

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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.