Home / 6,580.93-9,868.77-3,115.75

Finding the Fourth Proportional to 6,580.93, 9,868.77 and 3,115.75

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Solution

The fourth proportional to 6,580.93, 9,868.77 and 3,115.75 is: 4,672.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,580.93 : 9,868.77 = 3,115.75 : x
  2. Step 2: Convert to fraction form
    6,580.93/9,868.77 = 3,115.75/x
  3. Step 3: Cross multiply
    6,580.93x = 9,868.77 × 3,115.75
  4. Step 4: Simplify right side
    6,580.93x = 30,748,620.13
  5. Step 5: Solve for x
    x = 30,748,620.13/6,580.93
  6. Step 6: Final answer
    x = 4,672.38

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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.