Home / 3,112.13-4,668.20-1,060.13

Finding the Fourth Proportional to 3,112.13, 4,668.20 and 1,060.13

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Solution

The fourth proportional to 3,112.13, 4,668.20 and 1,060.13 is: 1,590.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.13 : 4,668.20 = 1,060.13 : x
  2. Step 2: Convert to fraction form
    3,112.13/4,668.20 = 1,060.13/x
  3. Step 3: Cross multiply
    3,112.13x = 4,668.20 × 1,060.13
  4. Step 4: Simplify right side
    3,112.13x = 4,948,870.22
  5. Step 5: Solve for x
    x = 4,948,870.22/3,112.13
  6. Step 6: Final answer
    x = 1,590.19

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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.