Home / 2,981.22-4,473.45-1,251.06

Finding the Fourth Proportional to 2,981.22, 4,473.45 and 1,251.06

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Solution

The fourth proportional to 2,981.22, 4,473.45 and 1,251.06 is: 1,877.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.22 : 4,473.45 = 1,251.06 : x
  2. Step 2: Convert to fraction form
    2,981.22/4,473.45 = 1,251.06/x
  3. Step 3: Cross multiply
    2,981.22x = 4,473.45 × 1,251.06
  4. Step 4: Simplify right side
    2,981.22x = 5,596,554.36
  5. Step 5: Solve for x
    x = 5,596,554.36/2,981.22
  6. Step 6: Final answer
    x = 1,877.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.