Home / 5,806.90-8,013.49-3,154.29

Finding the Fourth Proportional to 5,806.90, 8,013.49 and 3,154.29

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Solution

The fourth proportional to 5,806.90, 8,013.49 and 3,154.29 is: 4,352.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,806.90 : 8,013.49 = 3,154.29 : x
  2. Step 2: Convert to fraction form
    5,806.90/8,013.49 = 3,154.29/x
  3. Step 3: Cross multiply
    5,806.90x = 8,013.49 × 3,154.29
  4. Step 4: Simplify right side
    5,806.90x = 25,276,871.37
  5. Step 5: Solve for x
    x = 25,276,871.37/5,806.90
  6. Step 6: Final answer
    x = 4,352.90

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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.