Home / 3,630.41-5,446.68-1,165.18

Finding the Fourth Proportional to 3,630.41, 5,446.68 and 1,165.18

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Solution

The fourth proportional to 3,630.41, 5,446.68 and 1,165.18 is: 1,748.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.41 : 5,446.68 = 1,165.18 : x
  2. Step 2: Convert to fraction form
    3,630.41/5,446.68 = 1,165.18/x
  3. Step 3: Cross multiply
    3,630.41x = 5,446.68 × 1,165.18
  4. Step 4: Simplify right side
    3,630.41x = 6,346,362.60
  5. Step 5: Solve for x
    x = 6,346,362.60/3,630.41
  6. Step 6: Final answer
    x = 1,748.11

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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.