Home / 3,608.24-4,984.07-2,487.20

Finding the Fourth Proportional to 3,608.24, 4,984.07 and 2,487.20

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Solution

The fourth proportional to 3,608.24, 4,984.07 and 2,487.20 is: 3,435.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.24 : 4,984.07 = 2,487.20 : x
  2. Step 2: Convert to fraction form
    3,608.24/4,984.07 = 2,487.20/x
  3. Step 3: Cross multiply
    3,608.24x = 4,984.07 × 2,487.20
  4. Step 4: Simplify right side
    3,608.24x = 12,396,341.55
  5. Step 5: Solve for x
    x = 12,396,341.55/3,608.24
  6. Step 6: Final answer
    x = 3,435.57

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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.