Home / 2,043.68-2,820.16-1,159.43

Finding the Fourth Proportional to 2,043.68, 2,820.16 and 1,159.43

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Solution

The fourth proportional to 2,043.68, 2,820.16 and 1,159.43 is: 1,599.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043.68 : 2,820.16 = 1,159.43 : x
  2. Step 2: Convert to fraction form
    2,043.68/2,820.16 = 1,159.43/x
  3. Step 3: Cross multiply
    2,043.68x = 2,820.16 × 1,159.43
  4. Step 4: Simplify right side
    2,043.68x = 3,269,778.11
  5. Step 5: Solve for x
    x = 3,269,778.11/2,043.68
  6. Step 6: Final answer
    x = 1,599.95

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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.