Home / 3,972.51-5,482.05-2,204.11

Finding the Fourth Proportional to 3,972.51, 5,482.05 and 2,204.11

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Solution

The fourth proportional to 3,972.51, 5,482.05 and 2,204.11 is: 3,041.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.51 : 5,482.05 = 2,204.11 : x
  2. Step 2: Convert to fraction form
    3,972.51/5,482.05 = 2,204.11/x
  3. Step 3: Cross multiply
    3,972.51x = 5,482.05 × 2,204.11
  4. Step 4: Simplify right side
    3,972.51x = 12,083,039.81
  5. Step 5: Solve for x
    x = 12,083,039.81/3,972.51
  6. Step 6: Final answer
    x = 3,041.66

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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.