Home / 6,670.53-9,204.85-3,686.33

Finding the Fourth Proportional to 6,670.53, 9,204.85 and 3,686.33

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Solution

The fourth proportional to 6,670.53, 9,204.85 and 3,686.33 is: 5,086.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,670.53 : 9,204.85 = 3,686.33 : x
  2. Step 2: Convert to fraction form
    6,670.53/9,204.85 = 3,686.33/x
  3. Step 3: Cross multiply
    6,670.53x = 9,204.85 × 3,686.33
  4. Step 4: Simplify right side
    6,670.53x = 33,932,114.70
  5. Step 5: Solve for x
    x = 33,932,114.70/6,670.53
  6. Step 6: Final answer
    x = 5,086.87

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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.