Home / 2,852.28-4,274.78-1,207.17

Finding the Fourth Proportional to 2,852.28, 4,274.78 and 1,207.17

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Solution

The fourth proportional to 2,852.28, 4,274.78 and 1,207.17 is: 1,809.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.28 : 4,274.78 = 1,207.17 : x
  2. Step 2: Convert to fraction form
    2,852.28/4,274.78 = 1,207.17/x
  3. Step 3: Cross multiply
    2,852.28x = 4,274.78 × 1,207.17
  4. Step 4: Simplify right side
    2,852.28x = 5,160,380.14
  5. Step 5: Solve for x
    x = 5,160,380.14/2,852.28
  6. Step 6: Final answer
    x = 1,809.21

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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.