Home / 1,746.26-2,616.32-922.72

Finding the Fourth Proportional to 1,746.26, 2,616.32 and 922.72

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Solution

The fourth proportional to 1,746.26, 2,616.32 and 922.72 is: 1,382.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,746.26 : 2,616.32 = 922.72 : x
  2. Step 2: Convert to fraction form
    1,746.26/2,616.32 = 922.72/x
  3. Step 3: Cross multiply
    1,746.26x = 2,616.32 × 922.72
  4. Step 4: Simplify right side
    1,746.26x = 2,414,130.79
  5. Step 5: Solve for x
    x = 2,414,130.79/1,746.26
  6. Step 6: Final answer
    x = 1,382.46

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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.