Home / 3,036.18-4,553.46-1,187.22

Finding the Fourth Proportional to 3,036.18, 4,553.46 and 1,187.22

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Solution

The fourth proportional to 3,036.18, 4,553.46 and 1,187.22 is: 1,780.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.18 : 4,553.46 = 1,187.22 : x
  2. Step 2: Convert to fraction form
    3,036.18/4,553.46 = 1,187.22/x
  3. Step 3: Cross multiply
    3,036.18x = 4,553.46 × 1,187.22
  4. Step 4: Simplify right side
    3,036.18x = 5,405,958.78
  5. Step 5: Solve for x
    x = 5,405,958.78/3,036.18
  6. Step 6: Final answer
    x = 1,780.51

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Half scale
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Double scale
Find fourth proportional to 3,037.18, 4,554.96 and 1,188.22
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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.