Home / 5,420.28-8,132.56-2,300.96

Finding the Fourth Proportional to 5,420.28, 8,132.56 and 2,300.96

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Solution

The fourth proportional to 5,420.28, 8,132.56 and 2,300.96 is: 3,452.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420.28 : 8,132.56 = 2,300.96 : x
  2. Step 2: Convert to fraction form
    5,420.28/8,132.56 = 2,300.96/x
  3. Step 3: Cross multiply
    5,420.28x = 8,132.56 × 2,300.96
  4. Step 4: Simplify right side
    5,420.28x = 18,712,695.26
  5. Step 5: Solve for x
    x = 18,712,695.26/5,420.28
  6. Step 6: Final answer
    x = 3,452.35

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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.