Home / 5,908.79-8,864.73-2,211.32

Finding the Fourth Proportional to 5,908.79, 8,864.73 and 2,211.32

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Solution

The fourth proportional to 5,908.79, 8,864.73 and 2,211.32 is: 3,317.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,908.79 : 8,864.73 = 2,211.32 : x
  2. Step 2: Convert to fraction form
    5,908.79/8,864.73 = 2,211.32/x
  3. Step 3: Cross multiply
    5,908.79x = 8,864.73 × 2,211.32
  4. Step 4: Simplify right side
    5,908.79x = 19,602,710.42
  5. Step 5: Solve for x
    x = 19,602,710.42/5,908.79
  6. Step 6: Final answer
    x = 3,317.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.