Home / 3,525.31-5,287.97-1,185.13

Finding the Fourth Proportional to 3,525.31, 5,287.97 and 1,185.13

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Solution

The fourth proportional to 3,525.31, 5,287.97 and 1,185.13 is: 1,777.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525.31 : 5,287.97 = 1,185.13 : x
  2. Step 2: Convert to fraction form
    3,525.31/5,287.97 = 1,185.13/x
  3. Step 3: Cross multiply
    3,525.31x = 5,287.97 × 1,185.13
  4. Step 4: Simplify right side
    3,525.31x = 6,266,931.89
  5. Step 5: Solve for x
    x = 6,266,931.89/3,525.31
  6. Step 6: Final answer
    x = 1,777.70

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Half scale
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Double scale
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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.