Home / 2,161.12-2,982.60-2,093.08

Finding the Fourth Proportional to 2,161.12, 2,982.60 and 2,093.08

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Solution

The fourth proportional to 2,161.12, 2,982.60 and 2,093.08 is: 2,888.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161.12 : 2,982.60 = 2,093.08 : x
  2. Step 2: Convert to fraction form
    2,161.12/2,982.60 = 2,093.08/x
  3. Step 3: Cross multiply
    2,161.12x = 2,982.60 × 2,093.08
  4. Step 4: Simplify right side
    2,161.12x = 6,242,820.41
  5. Step 5: Solve for x
    x = 6,242,820.41/2,161.12
  6. Step 6: Final answer
    x = 2,888.70

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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.