Home / 6,180.77-9,255.08-5,191.31

Finding the Fourth Proportional to 6,180.77, 9,255.08 and 5,191.31

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Solution

The fourth proportional to 6,180.77, 9,255.08 and 5,191.31 is: 7,773.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,180.77 : 9,255.08 = 5,191.31 : x
  2. Step 2: Convert to fraction form
    6,180.77/9,255.08 = 5,191.31/x
  3. Step 3: Cross multiply
    6,180.77x = 9,255.08 × 5,191.31
  4. Step 4: Simplify right side
    6,180.77x = 48,045,917.12
  5. Step 5: Solve for x
    x = 48,045,917.12/6,180.77
  6. Step 6: Final answer
    x = 7,773.46

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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.