Home / 1,972.44-2,722.04-1,088.28

Finding the Fourth Proportional to 1,972.44, 2,722.04 and 1,088.28

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Solution

The fourth proportional to 1,972.44, 2,722.04 and 1,088.28 is: 1,501.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972.44 : 2,722.04 = 1,088.28 : x
  2. Step 2: Convert to fraction form
    1,972.44/2,722.04 = 1,088.28/x
  3. Step 3: Cross multiply
    1,972.44x = 2,722.04 × 1,088.28
  4. Step 4: Simplify right side
    1,972.44x = 2,962,341.69
  5. Step 5: Solve for x
    x = 2,962,341.69/1,972.44
  6. Step 6: Final answer
    x = 1,501.87

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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.