Home / 1,448.29-2,164.01-1,112.95

Finding the Fourth Proportional to 1,448.29, 2,164.01 and 1,112.95

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Solution

The fourth proportional to 1,448.29, 2,164.01 and 1,112.95 is: 1,662.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448.29 : 2,164.01 = 1,112.95 : x
  2. Step 2: Convert to fraction form
    1,448.29/2,164.01 = 1,112.95/x
  3. Step 3: Cross multiply
    1,448.29x = 2,164.01 × 1,112.95
  4. Step 4: Simplify right side
    1,448.29x = 2,408,434.93
  5. Step 5: Solve for x
    x = 2,408,434.93/1,448.29
  6. Step 6: Final answer
    x = 1,662.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.