Home / 4,065.31-5,610.05-2,272.81

Finding the Fourth Proportional to 4,065.31, 5,610.05 and 2,272.81

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Solution

The fourth proportional to 4,065.31, 5,610.05 and 2,272.81 is: 3,136.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,065.31 : 5,610.05 = 2,272.81 : x
  2. Step 2: Convert to fraction form
    4,065.31/5,610.05 = 2,272.81/x
  3. Step 3: Cross multiply
    4,065.31x = 5,610.05 × 2,272.81
  4. Step 4: Simplify right side
    4,065.31x = 12,750,577.74
  5. Step 5: Solve for x
    x = 12,750,577.74/4,065.31
  6. Step 6: Final answer
    x = 3,136.43

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Half scale
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Double scale
Find fourth proportional to 4,066.31, 5,611.43 and 2,273.81
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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.