Home / 6,171.87-8,517.18-3,483.66

Finding the Fourth Proportional to 6,171.87, 8,517.18 and 3,483.66

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Solution

The fourth proportional to 6,171.87, 8,517.18 and 3,483.66 is: 4,807.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.87 : 8,517.18 = 3,483.66 : x
  2. Step 2: Convert to fraction form
    6,171.87/8,517.18 = 3,483.66/x
  3. Step 3: Cross multiply
    6,171.87x = 8,517.18 × 3,483.66
  4. Step 4: Simplify right side
    6,171.87x = 29,670,959.28
  5. Step 5: Solve for x
    x = 29,670,959.28/6,171.87
  6. Step 6: Final answer
    x = 4,807.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.