Home / 2,945.52-4,063.32-2,245.68

Finding the Fourth Proportional to 2,945.52, 4,063.32 and 2,245.68

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Solution

The fourth proportional to 2,945.52, 4,063.32 and 2,245.68 is: 3,097.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.52 : 4,063.32 = 2,245.68 : x
  2. Step 2: Convert to fraction form
    2,945.52/4,063.32 = 2,245.68/x
  3. Step 3: Cross multiply
    2,945.52x = 4,063.32 × 2,245.68
  4. Step 4: Simplify right side
    2,945.52x = 9,124,916.46
  5. Step 5: Solve for x
    x = 9,124,916.46/2,945.52
  6. Step 6: Final answer
    x = 3,097.90

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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.