Home / 1,742.12-2,404.11-1,043.49

Finding the Fourth Proportional to 1,742.12, 2,404.11 and 1,043.49

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Solution

The fourth proportional to 1,742.12, 2,404.11 and 1,043.49 is: 1,440.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.12 : 2,404.11 = 1,043.49 : x
  2. Step 2: Convert to fraction form
    1,742.12/2,404.11 = 1,043.49/x
  3. Step 3: Cross multiply
    1,742.12x = 2,404.11 × 1,043.49
  4. Step 4: Simplify right side
    1,742.12x = 2,508,664.74
  5. Step 5: Solve for x
    x = 2,508,664.74/1,742.12
  6. Step 6: Final answer
    x = 1,440.01

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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.