Home / 1,872.41-2,583.58-1,126.38

Finding the Fourth Proportional to 1,872.41, 2,583.58 and 1,126.38

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Solution

The fourth proportional to 1,872.41, 2,583.58 and 1,126.38 is: 1,554.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872.41 : 2,583.58 = 1,126.38 : x
  2. Step 2: Convert to fraction form
    1,872.41/2,583.58 = 1,126.38/x
  3. Step 3: Cross multiply
    1,872.41x = 2,583.58 × 1,126.38
  4. Step 4: Simplify right side
    1,872.41x = 2,910,092.84
  5. Step 5: Solve for x
    x = 2,910,092.84/1,872.41
  6. Step 6: Final answer
    x = 1,554.20

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Half scale
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Double scale
Find fourth proportional to 1,873.41, 2,584.96 and 1,127.38
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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.