Home / 3,298.19-4,551.32-1,805.81

Finding the Fourth Proportional to 3,298.19, 4,551.32 and 1,805.81

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Solution

The fourth proportional to 3,298.19, 4,551.32 and 1,805.81 is: 2,491.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.19 : 4,551.32 = 1,805.81 : x
  2. Step 2: Convert to fraction form
    3,298.19/4,551.32 = 1,805.81/x
  3. Step 3: Cross multiply
    3,298.19x = 4,551.32 × 1,805.81
  4. Step 4: Simplify right side
    3,298.19x = 8,218,810.14
  5. Step 5: Solve for x
    x = 8,218,810.14/3,298.19
  6. Step 6: Final answer
    x = 2,491.92

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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.