Home / 3,927.62-5,868.75-2,971.52

Finding the Fourth Proportional to 3,927.62, 5,868.75 and 2,971.52

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Solution

The fourth proportional to 3,927.62, 5,868.75 and 2,971.52 is: 4,440.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.62 : 5,868.75 = 2,971.52 : x
  2. Step 2: Convert to fraction form
    3,927.62/5,868.75 = 2,971.52/x
  3. Step 3: Cross multiply
    3,927.62x = 5,868.75 × 2,971.52
  4. Step 4: Simplify right side
    3,927.62x = 17,439,111.81
  5. Step 5: Solve for x
    x = 17,439,111.81/3,927.62
  6. Step 6: Final answer
    x = 4,440.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.