Home / 2,960.10-4,084.96-1,633.78

Finding the Fourth Proportional to 2,960.10, 4,084.96 and 1,633.78

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Solution

The fourth proportional to 2,960.10, 4,084.96 and 1,633.78 is: 2,254.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.10 : 4,084.96 = 1,633.78 : x
  2. Step 2: Convert to fraction form
    2,960.10/4,084.96 = 1,633.78/x
  3. Step 3: Cross multiply
    2,960.10x = 4,084.96 × 1,633.78
  4. Step 4: Simplify right side
    2,960.10x = 6,673,925.95
  5. Step 5: Solve for x
    x = 6,673,925.95/2,960.10
  6. Step 6: Final answer
    x = 2,254.63

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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.