Home / 4,313.64-5,948.96-2,821.62

Finding the Fourth Proportional to 4,313.64, 5,948.96 and 2,821.62

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Solution

The fourth proportional to 4,313.64, 5,948.96 and 2,821.62 is: 3,891.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,313.64 : 5,948.96 = 2,821.62 : x
  2. Step 2: Convert to fraction form
    4,313.64/5,948.96 = 2,821.62/x
  3. Step 3: Cross multiply
    4,313.64x = 5,948.96 × 2,821.62
  4. Step 4: Simplify right side
    4,313.64x = 16,785,704.52
  5. Step 5: Solve for x
    x = 16,785,704.52/4,313.64
  6. Step 6: Final answer
    x = 3,891.31

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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.