Home / 2,955.17-4,078.20-1,696.62

Finding the Fourth Proportional to 2,955.17, 4,078.20 and 1,696.62

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Solution

The fourth proportional to 2,955.17, 4,078.20 and 1,696.62 is: 2,341.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.17 : 4,078.20 = 1,696.62 : x
  2. Step 2: Convert to fraction form
    2,955.17/4,078.20 = 1,696.62/x
  3. Step 3: Cross multiply
    2,955.17x = 4,078.20 × 1,696.62
  4. Step 4: Simplify right side
    2,955.17x = 6,919,144.86
  5. Step 5: Solve for x
    x = 6,919,144.86/2,955.17
  6. Step 6: Final answer
    x = 2,341.37

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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.