Home / 6,110.79-9,156.42-3,917.70

Finding the Fourth Proportional to 6,110.79, 9,156.42 and 3,917.70

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Solution

The fourth proportional to 6,110.79, 9,156.42 and 3,917.70 is: 5,870.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,110.79 : 9,156.42 = 3,917.70 : x
  2. Step 2: Convert to fraction form
    6,110.79/9,156.42 = 3,917.70/x
  3. Step 3: Cross multiply
    6,110.79x = 9,156.42 × 3,917.70
  4. Step 4: Simplify right side
    6,110.79x = 35,872,106.63
  5. Step 5: Solve for x
    x = 35,872,106.63/6,110.79
  6. Step 6: Final answer
    x = 5,870.29

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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.