Home / 7,131.42-10,698.57-2,517.66

Finding the Fourth Proportional to 7,131.42, 10,698.57 and 2,517.66

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Solution

The fourth proportional to 7,131.42, 10,698.57 and 2,517.66 is: 3,777.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131.42 : 10,698.57 = 2,517.66 : x
  2. Step 2: Convert to fraction form
    7,131.42/10,698.57 = 2,517.66/x
  3. Step 3: Cross multiply
    7,131.42x = 10,698.57 × 2,517.66
  4. Step 4: Simplify right side
    7,131.42x = 26,935,361.75
  5. Step 5: Solve for x
    x = 26,935,361.75/7,131.42
  6. Step 6: Final answer
    x = 3,777.00

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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.