Home / 5,517.36-7,615.14-3,527.64

Finding the Fourth Proportional to 5,517.36, 7,615.14 and 3,527.64

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Solution

The fourth proportional to 5,517.36, 7,615.14 and 3,527.64 is: 4,868.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.36 : 7,615.14 = 3,527.64 : x
  2. Step 2: Convert to fraction form
    5,517.36/7,615.14 = 3,527.64/x
  3. Step 3: Cross multiply
    5,517.36x = 7,615.14 × 3,527.64
  4. Step 4: Simplify right side
    5,517.36x = 26,863,472.47
  5. Step 5: Solve for x
    x = 26,863,472.47/5,517.36
  6. Step 6: Final answer
    x = 4,868.90

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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.