Home / 3,375.25-5,038.45-2,915.98

Finding the Fourth Proportional to 3,375.25, 5,038.45 and 2,915.98

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Solution

The fourth proportional to 3,375.25, 5,038.45 and 2,915.98 is: 4,352.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.25 : 5,038.45 = 2,915.98 : x
  2. Step 2: Convert to fraction form
    3,375.25/5,038.45 = 2,915.98/x
  3. Step 3: Cross multiply
    3,375.25x = 5,038.45 × 2,915.98
  4. Step 4: Simplify right side
    3,375.25x = 14,691,994.24
  5. Step 5: Solve for x
    x = 14,691,994.24/3,375.25
  6. Step 6: Final answer
    x = 4,352.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.