Home / 5,440.10-8,172.30-5,233.55

Finding the Fourth Proportional to 5,440.10, 8,172.30 and 5,233.55

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Solution

The fourth proportional to 5,440.10, 8,172.30 and 5,233.55 is: 7,862.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.10 : 8,172.30 = 5,233.55 : x
  2. Step 2: Convert to fraction form
    5,440.10/8,172.30 = 5,233.55/x
  3. Step 3: Cross multiply
    5,440.10x = 8,172.30 × 5,233.55
  4. Step 4: Simplify right side
    5,440.10x = 42,770,140.67
  5. Step 5: Solve for x
    x = 42,770,140.67/5,440.10
  6. Step 6: Final answer
    x = 7,862.01

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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.