Home / 5,911.43-8,158.13-3,393.55

Finding the Fourth Proportional to 5,911.43, 8,158.13 and 3,393.55

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Solution

The fourth proportional to 5,911.43, 8,158.13 and 3,393.55 is: 4,683.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.43 : 8,158.13 = 3,393.55 : x
  2. Step 2: Convert to fraction form
    5,911.43/8,158.13 = 3,393.55/x
  3. Step 3: Cross multiply
    5,911.43x = 8,158.13 × 3,393.55
  4. Step 4: Simplify right side
    5,911.43x = 27,684,984.70
  5. Step 5: Solve for x
    x = 27,684,984.70/5,911.43
  6. Step 6: Final answer
    x = 4,683.30

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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.