Home / 5,181.66-7,146.45-3,765.42

Finding the Fourth Proportional to 5,181.66, 7,146.45 and 3,765.42

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Solution

The fourth proportional to 5,181.66, 7,146.45 and 3,765.42 is: 5,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.66 : 7,146.45 = 3,765.42 : x
  2. Step 2: Convert to fraction form
    5,181.66/7,146.45 = 3,765.42/x
  3. Step 3: Cross multiply
    5,181.66x = 7,146.45 × 3,765.42
  4. Step 4: Simplify right side
    5,181.66x = 26,909,385.76
  5. Step 5: Solve for x
    x = 26,909,385.76/5,181.66
  6. Step 6: Final answer
    x = 5,193.20

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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.