Home / 4,981.12-7,468.91-2,309.79

Finding the Fourth Proportional to 4,981.12, 7,468.91 and 2,309.79

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Solution

The fourth proportional to 4,981.12, 7,468.91 and 2,309.79 is: 3,463.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.12 : 7,468.91 = 2,309.79 : x
  2. Step 2: Convert to fraction form
    4,981.12/7,468.91 = 2,309.79/x
  3. Step 3: Cross multiply
    4,981.12x = 7,468.91 × 2,309.79
  4. Step 4: Simplify right side
    4,981.12x = 17,251,602.08
  5. Step 5: Solve for x
    x = 17,251,602.08/4,981.12
  6. Step 6: Final answer
    x = 3,463.40

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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.