Home / 3,301.29-4,554.63-1,974.78

Finding the Fourth Proportional to 3,301.29, 4,554.63 and 1,974.78

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Solution

The fourth proportional to 3,301.29, 4,554.63 and 1,974.78 is: 2,724.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,301.29 : 4,554.63 = 1,974.78 : x
  2. Step 2: Convert to fraction form
    3,301.29/4,554.63 = 1,974.78/x
  3. Step 3: Cross multiply
    3,301.29x = 4,554.63 × 1,974.78
  4. Step 4: Simplify right side
    3,301.29x = 8,994,392.23
  5. Step 5: Solve for x
    x = 8,994,392.23/3,301.29
  6. Step 6: Final answer
    x = 2,724.51

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1.5x scale

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.