Home / 2,908.66-4,364.64-1,178.50

Finding the Fourth Proportional to 2,908.66, 4,364.64 and 1,178.50

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Solution

The fourth proportional to 2,908.66, 4,364.64 and 1,178.50 is: 1,768.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.66 : 4,364.64 = 1,178.50 : x
  2. Step 2: Convert to fraction form
    2,908.66/4,364.64 = 1,178.50/x
  3. Step 3: Cross multiply
    2,908.66x = 4,364.64 × 1,178.50
  4. Step 4: Simplify right side
    2,908.66x = 5,143,728.24
  5. Step 5: Solve for x
    x = 5,143,728.24/2,908.66
  6. Step 6: Final answer
    x = 1,768.42

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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.