Home / 3,749.42-5,623.15-1,116.22

Finding the Fourth Proportional to 3,749.42, 5,623.15 and 1,116.22

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Solution

The fourth proportional to 3,749.42, 5,623.15 and 1,116.22 is: 1,674.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.42 : 5,623.15 = 1,116.22 : x
  2. Step 2: Convert to fraction form
    3,749.42/5,623.15 = 1,116.22/x
  3. Step 3: Cross multiply
    3,749.42x = 5,623.15 × 1,116.22
  4. Step 4: Simplify right side
    3,749.42x = 6,276,672.49
  5. Step 5: Solve for x
    x = 6,276,672.49/3,749.42
  6. Step 6: Final answer
    x = 1,674.04

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Double scale
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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.