Home / 2,059.19-2,841.68-1,127.69

Finding the Fourth Proportional to 2,059.19, 2,841.68 and 1,127.69

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Solution

The fourth proportional to 2,059.19, 2,841.68 and 1,127.69 is: 1,556.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059.19 : 2,841.68 = 1,127.69 : x
  2. Step 2: Convert to fraction form
    2,059.19/2,841.68 = 1,127.69/x
  3. Step 3: Cross multiply
    2,059.19x = 2,841.68 × 1,127.69
  4. Step 4: Simplify right side
    2,059.19x = 3,204,527.02
  5. Step 5: Solve for x
    x = 3,204,527.02/2,059.19
  6. Step 6: Final answer
    x = 1,556.21

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Half scale
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Double scale
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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.