Home / 3,258.47-4,496.68-1,766.39

Finding the Fourth Proportional to 3,258.47, 4,496.68 and 1,766.39

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Solution

The fourth proportional to 3,258.47, 4,496.68 and 1,766.39 is: 2,437.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.47 : 4,496.68 = 1,766.39 : x
  2. Step 2: Convert to fraction form
    3,258.47/4,496.68 = 1,766.39/x
  3. Step 3: Cross multiply
    3,258.47x = 4,496.68 × 1,766.39
  4. Step 4: Simplify right side
    3,258.47x = 7,942,859.27
  5. Step 5: Solve for x
    x = 7,942,859.27/3,258.47
  6. Step 6: Final answer
    x = 2,437.60

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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.