Home / 5,496.28-7,585.64-3,138.56

Finding the Fourth Proportional to 5,496.28, 7,585.64 and 3,138.56

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Solution

The fourth proportional to 5,496.28, 7,585.64 and 3,138.56 is: 4,331.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,496.28 : 7,585.64 = 3,138.56 : x
  2. Step 2: Convert to fraction form
    5,496.28/7,585.64 = 3,138.56/x
  3. Step 3: Cross multiply
    5,496.28x = 7,585.64 × 3,138.56
  4. Step 4: Simplify right side
    5,496.28x = 23,807,986.28
  5. Step 5: Solve for x
    x = 23,807,986.28/5,496.28
  6. Step 6: Final answer
    x = 4,331.65

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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.