Home / 3,525.12-5,256.57-3,493.49

Finding the Fourth Proportional to 3,525.12, 5,256.57 and 3,493.49

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Solution

The fourth proportional to 3,525.12, 5,256.57 and 3,493.49 is: 5,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525.12 : 5,256.57 = 3,493.49 : x
  2. Step 2: Convert to fraction form
    3,525.12/5,256.57 = 3,493.49/x
  3. Step 3: Cross multiply
    3,525.12x = 5,256.57 × 3,493.49
  4. Step 4: Simplify right side
    3,525.12x = 18,363,761.55
  5. Step 5: Solve for x
    x = 18,363,761.55/3,525.12
  6. Step 6: Final answer
    x = 5,209.40

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.