Home / 2,020.46-2,788.00-1,136.24

Finding the Fourth Proportional to 2,020.46, 2,788.00 and 1,136.24

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Solution

The fourth proportional to 2,020.46, 2,788.00 and 1,136.24 is: 1,567.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.46 : 2,788.00 = 1,136.24 : x
  2. Step 2: Convert to fraction form
    2,020.46/2,788.00 = 1,136.24/x
  3. Step 3: Cross multiply
    2,020.46x = 2,788.00 × 1,136.24
  4. Step 4: Simplify right side
    2,020.46x = 3,167,837.19
  5. Step 5: Solve for x
    x = 3,167,837.19/2,020.46
  6. Step 6: Final answer
    x = 1,567.88

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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.