Home / 5,110.90-7,049.52-4,939.48

Finding the Fourth Proportional to 5,110.90, 7,049.52 and 4,939.48

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Solution

The fourth proportional to 5,110.90, 7,049.52 and 4,939.48 is: 6,813.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.90 : 7,049.52 = 4,939.48 : x
  2. Step 2: Convert to fraction form
    5,110.90/7,049.52 = 4,939.48/x
  3. Step 3: Cross multiply
    5,110.90x = 7,049.52 × 4,939.48
  4. Step 4: Simplify right side
    5,110.90x = 34,820,963.05
  5. Step 5: Solve for x
    x = 34,820,963.05/5,110.90
  6. Step 6: Final answer
    x = 6,813.08

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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.