Home / 5,034.15-7,551.90-2,111.76

Finding the Fourth Proportional to 5,034.15, 7,551.90 and 2,111.76

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Solution

The fourth proportional to 5,034.15, 7,551.90 and 2,111.76 is: 3,167.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,034.15 : 7,551.90 = 2,111.76 : x
  2. Step 2: Convert to fraction form
    5,034.15/7,551.90 = 2,111.76/x
  3. Step 3: Cross multiply
    5,034.15x = 7,551.90 × 2,111.76
  4. Step 4: Simplify right side
    5,034.15x = 15,947,800.34
  5. Step 5: Solve for x
    x = 15,947,800.34/5,034.15
  6. Step 6: Final answer
    x = 3,167.92

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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.