Home / 2,043.73-2,820.36-1,112.23

Finding the Fourth Proportional to 2,043.73, 2,820.36 and 1,112.23

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Solution

The fourth proportional to 2,043.73, 2,820.36 and 1,112.23 is: 1,534.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043.73 : 2,820.36 = 1,112.23 : x
  2. Step 2: Convert to fraction form
    2,043.73/2,820.36 = 1,112.23/x
  3. Step 3: Cross multiply
    2,043.73x = 2,820.36 × 1,112.23
  4. Step 4: Simplify right side
    2,043.73x = 3,136,889.00
  5. Step 5: Solve for x
    x = 3,136,889.00/2,043.73
  6. Step 6: Final answer
    x = 1,534.88

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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.