Home / 1,864.20-2,574.33-1,202.22

Finding the Fourth Proportional to 1,864.20, 2,574.33 and 1,202.22

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Solution

The fourth proportional to 1,864.20, 2,574.33 and 1,202.22 is: 1,660.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864.20 : 2,574.33 = 1,202.22 : x
  2. Step 2: Convert to fraction form
    1,864.20/2,574.33 = 1,202.22/x
  3. Step 3: Cross multiply
    1,864.20x = 2,574.33 × 1,202.22
  4. Step 4: Simplify right side
    1,864.20x = 3,094,911.01
  5. Step 5: Solve for x
    x = 3,094,911.01/1,864.20
  6. Step 6: Final answer
    x = 1,660.18

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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.