Home / 4,680.02-7,009.68-3,422.90

Finding the Fourth Proportional to 4,680.02, 7,009.68 and 3,422.90

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Solution

The fourth proportional to 4,680.02, 7,009.68 and 3,422.90 is: 5,126.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.02 : 7,009.68 = 3,422.90 : x
  2. Step 2: Convert to fraction form
    4,680.02/7,009.68 = 3,422.90/x
  3. Step 3: Cross multiply
    4,680.02x = 7,009.68 × 3,422.90
  4. Step 4: Simplify right side
    4,680.02x = 23,993,433.67
  5. Step 5: Solve for x
    x = 23,993,433.67/4,680.02
  6. Step 6: Final answer
    x = 5,126.78

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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.