Home / 3,732.51-5,152.64-2,160.03

Finding the Fourth Proportional to 3,732.51, 5,152.64 and 2,160.03

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Solution

The fourth proportional to 3,732.51, 5,152.64 and 2,160.03 is: 2,981.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,732.51 : 5,152.64 = 2,160.03 : x
  2. Step 2: Convert to fraction form
    3,732.51/5,152.64 = 2,160.03/x
  3. Step 3: Cross multiply
    3,732.51x = 5,152.64 × 2,160.03
  4. Step 4: Simplify right side
    3,732.51x = 11,129,846.18
  5. Step 5: Solve for x
    x = 11,129,846.18/3,732.51
  6. Step 6: Final answer
    x = 2,981.87

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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.