Home / 3,461.52-5,194.36-1,240.18

Finding the Fourth Proportional to 3,461.52, 5,194.36 and 1,240.18

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Solution

The fourth proportional to 3,461.52, 5,194.36 and 1,240.18 is: 1,861.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.52 : 5,194.36 = 1,240.18 : x
  2. Step 2: Convert to fraction form
    3,461.52/5,194.36 = 1,240.18/x
  3. Step 3: Cross multiply
    3,461.52x = 5,194.36 × 1,240.18
  4. Step 4: Simplify right side
    3,461.52x = 6,441,941.38
  5. Step 5: Solve for x
    x = 6,441,941.38/3,461.52
  6. Step 6: Final answer
    x = 1,861.02

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Half scale
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Double scale
Find fourth proportional to 3,462.52, 5,195.86 and 1,241.18
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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.