Home / 5,740.02-7,920.18-3,222.18

Finding the Fourth Proportional to 5,740.02, 7,920.18 and 3,222.18

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Solution

The fourth proportional to 5,740.02, 7,920.18 and 3,222.18 is: 4,446.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,740.02 : 7,920.18 = 3,222.18 : x
  2. Step 2: Convert to fraction form
    5,740.02/7,920.18 = 3,222.18/x
  3. Step 3: Cross multiply
    5,740.02x = 7,920.18 × 3,222.18
  4. Step 4: Simplify right side
    5,740.02x = 25,520,245.59
  5. Step 5: Solve for x
    x = 25,520,245.59/5,740.02
  6. Step 6: Final answer
    x = 4,446.02

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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.