Home / 5,070.11-7,586.66-2,991.11

Finding the Fourth Proportional to 5,070.11, 7,586.66 and 2,991.11

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Solution

The fourth proportional to 5,070.11, 7,586.66 and 2,991.11 is: 4,475.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070.11 : 7,586.66 = 2,991.11 : x
  2. Step 2: Convert to fraction form
    5,070.11/7,586.66 = 2,991.11/x
  3. Step 3: Cross multiply
    5,070.11x = 7,586.66 × 2,991.11
  4. Step 4: Simplify right side
    5,070.11x = 22,692,481.70
  5. Step 5: Solve for x
    x = 22,692,481.70/5,070.11
  6. Step 6: Final answer
    x = 4,475.74

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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.