Home / 6,117.50-9,173.89-2,605.28

Finding the Fourth Proportional to 6,117.50, 9,173.89 and 2,605.28

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Solution

The fourth proportional to 6,117.50, 9,173.89 and 2,605.28 is: 3,906.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,117.50 : 9,173.89 = 2,605.28 : x
  2. Step 2: Convert to fraction form
    6,117.50/9,173.89 = 2,605.28/x
  3. Step 3: Cross multiply
    6,117.50x = 9,173.89 × 2,605.28
  4. Step 4: Simplify right side
    6,117.50x = 23,900,552.14
  5. Step 5: Solve for x
    x = 23,900,552.14/6,117.50
  6. Step 6: Final answer
    x = 3,906.91

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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.