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Finding the Fourth Proportional to 3,504.71, 5,258.19 and 1,039.55

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Solution

The fourth proportional to 3,504.71, 5,258.19 and 1,039.55 is: 1,559.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,504.71 : 5,258.19 = 1,039.55 : x
  2. Step 2: Convert to fraction form
    3,504.71/5,258.19 = 1,039.55/x
  3. Step 3: Cross multiply
    3,504.71x = 5,258.19 × 1,039.55
  4. Step 4: Simplify right side
    3,504.71x = 5,466,125.12
  5. Step 5: Solve for x
    x = 5,466,125.12/3,504.71
  6. Step 6: Final answer
    x = 1,559.65

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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.