Home / 5,005.11-6,902.85-3,749.11

Finding the Fourth Proportional to 5,005.11, 6,902.85 and 3,749.11

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Solution

The fourth proportional to 5,005.11, 6,902.85 and 3,749.11 is: 5,170.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.11 : 6,902.85 = 3,749.11 : x
  2. Step 2: Convert to fraction form
    5,005.11/6,902.85 = 3,749.11/x
  3. Step 3: Cross multiply
    5,005.11x = 6,902.85 × 3,749.11
  4. Step 4: Simplify right side
    5,005.11x = 25,879,543.96
  5. Step 5: Solve for x
    x = 25,879,543.96/5,005.11
  6. Step 6: Final answer
    x = 5,170.63

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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.