Home / 3,522.10-4,860.65-1,950.20

Finding the Fourth Proportional to 3,522.10, 4,860.65 and 1,950.20

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Solution

The fourth proportional to 3,522.10, 4,860.65 and 1,950.20 is: 2,691.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,522.10 : 4,860.65 = 1,950.20 : x
  2. Step 2: Convert to fraction form
    3,522.10/4,860.65 = 1,950.20/x
  3. Step 3: Cross multiply
    3,522.10x = 4,860.65 × 1,950.20
  4. Step 4: Simplify right side
    3,522.10x = 9,479,215.33
  5. Step 5: Solve for x
    x = 9,479,215.33/3,522.10
  6. Step 6: Final answer
    x = 2,691.35

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Half scale
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Double scale
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Similar ratio
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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.