Home / 1,465.16-2,198.64-1,328.46

Finding the Fourth Proportional to 1,465.16, 2,198.64 and 1,328.46

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Solution

The fourth proportional to 1,465.16, 2,198.64 and 1,328.46 is: 1,993.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.16 : 2,198.64 = 1,328.46 : x
  2. Step 2: Convert to fraction form
    1,465.16/2,198.64 = 1,328.46/x
  3. Step 3: Cross multiply
    1,465.16x = 2,198.64 × 1,328.46
  4. Step 4: Simplify right side
    1,465.16x = 2,920,805.29
  5. Step 5: Solve for x
    x = 2,920,805.29/1,465.16
  6. Step 6: Final answer
    x = 1,993.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.