Home / 3,895.92-5,376.33-2,403.24

Finding the Fourth Proportional to 3,895.92, 5,376.33 and 2,403.24

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Solution

The fourth proportional to 3,895.92, 5,376.33 and 2,403.24 is: 3,316.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.92 : 5,376.33 = 2,403.24 : x
  2. Step 2: Convert to fraction form
    3,895.92/5,376.33 = 2,403.24/x
  3. Step 3: Cross multiply
    3,895.92x = 5,376.33 × 2,403.24
  4. Step 4: Simplify right side
    3,895.92x = 12,920,611.31
  5. Step 5: Solve for x
    x = 12,920,611.31/3,895.92
  6. Step 6: Final answer
    x = 3,316.45

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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.