Home / 3,400.55-4,685.99-2,454.67

Finding the Fourth Proportional to 3,400.55, 4,685.99 and 2,454.67

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Solution

The fourth proportional to 3,400.55, 4,685.99 and 2,454.67 is: 3,382.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.55 : 4,685.99 = 2,454.67 : x
  2. Step 2: Convert to fraction form
    3,400.55/4,685.99 = 2,454.67/x
  3. Step 3: Cross multiply
    3,400.55x = 4,685.99 × 2,454.67
  4. Step 4: Simplify right side
    3,400.55x = 11,502,552.66
  5. Step 5: Solve for x
    x = 11,502,552.66/3,400.55
  6. Step 6: Final answer
    x = 3,382.56

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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.