Home / 5,140.18-7,708.65-2,673.66

Finding the Fourth Proportional to 5,140.18, 7,708.65 and 2,673.66

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Solution

The fourth proportional to 5,140.18, 7,708.65 and 2,673.66 is: 4,009.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.18 : 7,708.65 = 2,673.66 : x
  2. Step 2: Convert to fraction form
    5,140.18/7,708.65 = 2,673.66/x
  3. Step 3: Cross multiply
    5,140.18x = 7,708.65 × 2,673.66
  4. Step 4: Simplify right side
    5,140.18x = 20,610,309.16
  5. Step 5: Solve for x
    x = 20,610,309.16/5,140.18
  6. Step 6: Final answer
    x = 4,009.65

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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.