Home / 1,996.48-2,755.10-1,112.28

Finding the Fourth Proportional to 1,996.48, 2,755.10 and 1,112.28

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Solution

The fourth proportional to 1,996.48, 2,755.10 and 1,112.28 is: 1,534.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.48 : 2,755.10 = 1,112.28 : x
  2. Step 2: Convert to fraction form
    1,996.48/2,755.10 = 1,112.28/x
  3. Step 3: Cross multiply
    1,996.48x = 2,755.10 × 1,112.28
  4. Step 4: Simplify right side
    1,996.48x = 3,064,442.63
  5. Step 5: Solve for x
    x = 3,064,442.63/1,996.48
  6. Step 6: Final answer
    x = 1,534.92

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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.