Home / 2,148.02-3,224.75-1,787.22

Finding the Fourth Proportional to 2,148.02, 3,224.75 and 1,787.22

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Solution

The fourth proportional to 2,148.02, 3,224.75 and 1,787.22 is: 2,683.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148.02 : 3,224.75 = 1,787.22 : x
  2. Step 2: Convert to fraction form
    2,148.02/3,224.75 = 1,787.22/x
  3. Step 3: Cross multiply
    2,148.02x = 3,224.75 × 1,787.22
  4. Step 4: Simplify right side
    2,148.02x = 5,763,337.70
  5. Step 5: Solve for x
    x = 5,763,337.70/2,148.02
  6. Step 6: Final answer
    x = 2,683.09

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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.