Home / 2,044.21-2,820.99-1,112.71

Finding the Fourth Proportional to 2,044.21, 2,820.99 and 1,112.71

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Solution

The fourth proportional to 2,044.21, 2,820.99 and 1,112.71 is: 1,535.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,044.21 : 2,820.99 = 1,112.71 : x
  2. Step 2: Convert to fraction form
    2,044.21/2,820.99 = 1,112.71/x
  3. Step 3: Cross multiply
    2,044.21x = 2,820.99 × 1,112.71
  4. Step 4: Simplify right side
    2,044.21x = 3,138,943.78
  5. Step 5: Solve for x
    x = 3,138,943.78/2,044.21
  6. Step 6: Final answer
    x = 1,535.53

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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.