Home / 2,057.19-2,839.02-1,173.07

Finding the Fourth Proportional to 2,057.19, 2,839.02 and 1,173.07

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Solution

The fourth proportional to 2,057.19, 2,839.02 and 1,173.07 is: 1,618.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057.19 : 2,839.02 = 1,173.07 : x
  2. Step 2: Convert to fraction form
    2,057.19/2,839.02 = 1,173.07/x
  3. Step 3: Cross multiply
    2,057.19x = 2,839.02 × 1,173.07
  4. Step 4: Simplify right side
    2,057.19x = 3,330,369.19
  5. Step 5: Solve for x
    x = 3,330,369.19/2,057.19
  6. Step 6: Final answer
    x = 1,618.89

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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.