Home / 5,353.79-7,387.75-3,258.59

Finding the Fourth Proportional to 5,353.79, 7,387.75 and 3,258.59

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Solution

The fourth proportional to 5,353.79, 7,387.75 and 3,258.59 is: 4,496.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.79 : 7,387.75 = 3,258.59 : x
  2. Step 2: Convert to fraction form
    5,353.79/7,387.75 = 3,258.59/x
  3. Step 3: Cross multiply
    5,353.79x = 7,387.75 × 3,258.59
  4. Step 4: Simplify right side
    5,353.79x = 24,073,648.27
  5. Step 5: Solve for x
    x = 24,073,648.27/5,353.79
  6. Step 6: Final answer
    x = 4,496.56

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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.