Home / 3,298.92-4,550.80-1,953.76

Finding the Fourth Proportional to 3,298.92, 4,550.80 and 1,953.76

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Solution

The fourth proportional to 3,298.92, 4,550.80 and 1,953.76 is: 2,695.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.92 : 4,550.80 = 1,953.76 : x
  2. Step 2: Convert to fraction form
    3,298.92/4,550.80 = 1,953.76/x
  3. Step 3: Cross multiply
    3,298.92x = 4,550.80 × 1,953.76
  4. Step 4: Simplify right side
    3,298.92x = 8,891,171.01
  5. Step 5: Solve for x
    x = 8,891,171.01/3,298.92
  6. Step 6: Final answer
    x = 2,695.18

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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.