Home / 1,426.32-1,965.75-1,032.66

Finding the Fourth Proportional to 1,426.32, 1,965.75 and 1,032.66

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Solution

The fourth proportional to 1,426.32, 1,965.75 and 1,032.66 is: 1,423.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426.32 : 1,965.75 = 1,032.66 : x
  2. Step 2: Convert to fraction form
    1,426.32/1,965.75 = 1,032.66/x
  3. Step 3: Cross multiply
    1,426.32x = 1,965.75 × 1,032.66
  4. Step 4: Simplify right side
    1,426.32x = 2,029,947.52
  5. Step 5: Solve for x
    x = 2,029,947.52/1,426.32
  6. Step 6: Final answer
    x = 1,423.21

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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.