Home / 5,694.89-7,862.90-3,571.34

Finding the Fourth Proportional to 5,694.89, 7,862.90 and 3,571.34

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Solution

The fourth proportional to 5,694.89, 7,862.90 and 3,571.34 is: 4,930.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,694.89 : 7,862.90 = 3,571.34 : x
  2. Step 2: Convert to fraction form
    5,694.89/7,862.90 = 3,571.34/x
  3. Step 3: Cross multiply
    5,694.89x = 7,862.90 × 3,571.34
  4. Step 4: Simplify right side
    5,694.89x = 28,081,032.11
  5. Step 5: Solve for x
    x = 28,081,032.11/5,694.89
  6. Step 6: Final answer
    x = 4,930.92

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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.