Home / 2,135.53-3,201.40-1,024.34

Finding the Fourth Proportional to 2,135.53, 3,201.40 and 1,024.34

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Solution

The fourth proportional to 2,135.53, 3,201.40 and 1,024.34 is: 1,535.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.53 : 3,201.40 = 1,024.34 : x
  2. Step 2: Convert to fraction form
    2,135.53/3,201.40 = 1,024.34/x
  3. Step 3: Cross multiply
    2,135.53x = 3,201.40 × 1,024.34
  4. Step 4: Simplify right side
    2,135.53x = 3,279,322.08
  5. Step 5: Solve for x
    x = 3,279,322.08/2,135.53
  6. Step 6: Final answer
    x = 1,535.60

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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.