Home / 2,955.78-4,414.96-2,299.68

Finding the Fourth Proportional to 2,955.78, 4,414.96 and 2,299.68

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Solution

The fourth proportional to 2,955.78, 4,414.96 and 2,299.68 is: 3,434.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.78 : 4,414.96 = 2,299.68 : x
  2. Step 2: Convert to fraction form
    2,955.78/4,414.96 = 2,299.68/x
  3. Step 3: Cross multiply
    2,955.78x = 4,414.96 × 2,299.68
  4. Step 4: Simplify right side
    2,955.78x = 10,152,989.46
  5. Step 5: Solve for x
    x = 10,152,989.46/2,955.78
  6. Step 6: Final answer
    x = 3,434.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.