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Finding the Fourth Proportional to 3,402.58, 5,103.96 and 1,758.10

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Solution

The fourth proportional to 3,402.58, 5,103.96 and 1,758.10 is: 2,637.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,402.58 : 5,103.96 = 1,758.10 : x
  2. Step 2: Convert to fraction form
    3,402.58/5,103.96 = 1,758.10/x
  3. Step 3: Cross multiply
    3,402.58x = 5,103.96 × 1,758.10
  4. Step 4: Simplify right side
    3,402.58x = 8,973,272.08
  5. Step 5: Solve for x
    x = 8,973,272.08/3,402.58
  6. Step 6: Final answer
    x = 2,637.20

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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.