Home / 6,117.16-9,180.78-2,653.96

Finding the Fourth Proportional to 6,117.16, 9,180.78 and 2,653.96

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Solution

The fourth proportional to 6,117.16, 9,180.78 and 2,653.96 is: 3,983.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,117.16 : 9,180.78 = 2,653.96 : x
  2. Step 2: Convert to fraction form
    6,117.16/9,180.78 = 2,653.96/x
  3. Step 3: Cross multiply
    6,117.16x = 9,180.78 × 2,653.96
  4. Step 4: Simplify right side
    6,117.16x = 24,365,422.89
  5. Step 5: Solve for x
    x = 24,365,422.89/6,117.16
  6. Step 6: Final answer
    x = 3,983.13

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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.