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Finding the Fourth Proportional to 3,504.71, 5,255.23 and 1,039.19

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Solution

The fourth proportional to 3,504.71, 5,255.23 and 1,039.19 is: 1,558.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,504.71 : 5,255.23 = 1,039.19 : x
  2. Step 2: Convert to fraction form
    3,504.71/5,255.23 = 1,039.19/x
  3. Step 3: Cross multiply
    3,504.71x = 5,255.23 × 1,039.19
  4. Step 4: Simplify right side
    3,504.71x = 5,461,182.46
  5. Step 5: Solve for x
    x = 5,461,182.46/3,504.71
  6. Step 6: Final answer
    x = 1,558.24

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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.