Home / 2,948.63-4,420.37-1,192.55

Finding the Fourth Proportional to 2,948.63, 4,420.37 and 1,192.55

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Solution

The fourth proportional to 2,948.63, 4,420.37 and 1,192.55 is: 1,787.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.63 : 4,420.37 = 1,192.55 : x
  2. Step 2: Convert to fraction form
    2,948.63/4,420.37 = 1,192.55/x
  3. Step 3: Cross multiply
    2,948.63x = 4,420.37 × 1,192.55
  4. Step 4: Simplify right side
    2,948.63x = 5,271,506.28
  5. Step 5: Solve for x
    x = 5,271,506.28/2,948.63
  6. Step 6: Final answer
    x = 1,787.78

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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.