Home / 3,038.85-4,188.11-2,251.53

Finding the Fourth Proportional to 3,038.85, 4,188.11 and 2,251.53

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Solution

The fourth proportional to 3,038.85, 4,188.11 and 2,251.53 is: 3,103.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.85 : 4,188.11 = 2,251.53 : x
  2. Step 2: Convert to fraction form
    3,038.85/4,188.11 = 2,251.53/x
  3. Step 3: Cross multiply
    3,038.85x = 4,188.11 × 2,251.53
  4. Step 4: Simplify right side
    3,038.85x = 9,429,644.05
  5. Step 5: Solve for x
    x = 9,429,644.05/3,038.85
  6. Step 6: Final answer
    x = 3,103.03

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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.