Home / 2,929.46-4,044.42-1,936.40

Finding the Fourth Proportional to 2,929.46, 4,044.42 and 1,936.40

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Solution

The fourth proportional to 2,929.46, 4,044.42 and 1,936.40 is: 2,673.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.46 : 4,044.42 = 1,936.40 : x
  2. Step 2: Convert to fraction form
    2,929.46/4,044.42 = 1,936.40/x
  3. Step 3: Cross multiply
    2,929.46x = 4,044.42 × 1,936.40
  4. Step 4: Simplify right side
    2,929.46x = 7,831,594.67
  5. Step 5: Solve for x
    x = 7,831,594.67/2,929.46
  6. Step 6: Final answer
    x = 2,673.40

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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.