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Finding the Fourth Proportional to 3,461.48, 5,191.66 and 995.74

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Solution

The fourth proportional to 3,461.48, 5,191.66 and 995.74 is: 1,493.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.48 : 5,191.66 = 995.74 : x
  2. Step 2: Convert to fraction form
    3,461.48/5,191.66 = 995.74/x
  3. Step 3: Cross multiply
    3,461.48x = 5,191.66 × 995.74
  4. Step 4: Simplify right side
    3,461.48x = 5,169,543.53
  5. Step 5: Solve for x
    x = 5,169,543.53/3,461.48
  6. Step 6: Final answer
    x = 1,493.45

Related Problems

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Similar ratio
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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.