Home / 3,517.81-5,277.50-1,326.56

Finding the Fourth Proportional to 3,517.81, 5,277.50 and 1,326.56

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Solution

The fourth proportional to 3,517.81, 5,277.50 and 1,326.56 is: 1,990.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.81 : 5,277.50 = 1,326.56 : x
  2. Step 2: Convert to fraction form
    3,517.81/5,277.50 = 1,326.56/x
  3. Step 3: Cross multiply
    3,517.81x = 5,277.50 × 1,326.56
  4. Step 4: Simplify right side
    3,517.81x = 7,000,913.77
  5. Step 5: Solve for x
    x = 7,000,913.77/3,517.81
  6. Step 6: Final answer
    x = 1,990.13

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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.