Home / 2,135.04-3,202.20-1,038.48

Finding the Fourth Proportional to 2,135.04, 3,202.20 and 1,038.48

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Solution

The fourth proportional to 2,135.04, 3,202.20 and 1,038.48 is: 1,557.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.04 : 3,202.20 = 1,038.48 : x
  2. Step 2: Convert to fraction form
    2,135.04/3,202.20 = 1,038.48/x
  3. Step 3: Cross multiply
    2,135.04x = 3,202.20 × 1,038.48
  4. Step 4: Simplify right side
    2,135.04x = 3,325,420.66
  5. Step 5: Solve for x
    x = 3,325,420.66/2,135.04
  6. Step 6: Final answer
    x = 1,557.54

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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.