Home / 1,972.15-2,721.75-1,473.92

Finding the Fourth Proportional to 1,972.15, 2,721.75 and 1,473.92

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Solution

The fourth proportional to 1,972.15, 2,721.75 and 1,473.92 is: 2,034.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972.15 : 2,721.75 = 1,473.92 : x
  2. Step 2: Convert to fraction form
    1,972.15/2,721.75 = 1,473.92/x
  3. Step 3: Cross multiply
    1,972.15x = 2,721.75 × 1,473.92
  4. Step 4: Simplify right side
    1,972.15x = 4,011,643.89
  5. Step 5: Solve for x
    x = 4,011,643.89/1,972.15
  6. Step 6: Final answer
    x = 2,034.15

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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.