Home / 1,936.92-2,916.34-1,707.29

Finding the Fourth Proportional to 1,936.92, 2,916.34 and 1,707.29

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Solution

The fourth proportional to 1,936.92, 2,916.34 and 1,707.29 is: 2,570.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.92 : 2,916.34 = 1,707.29 : x
  2. Step 2: Convert to fraction form
    1,936.92/2,916.34 = 1,707.29/x
  3. Step 3: Cross multiply
    1,936.92x = 2,916.34 × 1,707.29
  4. Step 4: Simplify right side
    1,936.92x = 4,979,038.12
  5. Step 5: Solve for x
    x = 4,979,038.12/1,936.92
  6. Step 6: Final answer
    x = 2,570.60

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.