Home / 1,993.04-2,750.32-1,153.68

Finding the Fourth Proportional to 1,993.04, 2,750.32 and 1,153.68

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Solution

The fourth proportional to 1,993.04, 2,750.32 and 1,153.68 is: 1,592.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993.04 : 2,750.32 = 1,153.68 : x
  2. Step 2: Convert to fraction form
    1,993.04/2,750.32 = 1,153.68/x
  3. Step 3: Cross multiply
    1,993.04x = 2,750.32 × 1,153.68
  4. Step 4: Simplify right side
    1,993.04x = 3,172,989.18
  5. Step 5: Solve for x
    x = 3,172,989.18/1,993.04
  6. Step 6: Final answer
    x = 1,592.03

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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.