Home / 1,155.08-1,724.31-1,073.07

Finding the Fourth Proportional to 1,155.08, 1,724.31 and 1,073.07

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Solution

The fourth proportional to 1,155.08, 1,724.31 and 1,073.07 is: 1,601.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155.08 : 1,724.31 = 1,073.07 : x
  2. Step 2: Convert to fraction form
    1,155.08/1,724.31 = 1,073.07/x
  3. Step 3: Cross multiply
    1,155.08x = 1,724.31 × 1,073.07
  4. Step 4: Simplify right side
    1,155.08x = 1,850,305.33
  5. Step 5: Solve for x
    x = 1,850,305.33/1,155.08
  6. Step 6: Final answer
    x = 1,601.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.