Home / 7,752.94-11,631.23-2,558.81

Finding the Fourth Proportional to 7,752.94, 11,631.23 and 2,558.81

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Solution

The fourth proportional to 7,752.94, 11,631.23 and 2,558.81 is: 3,838.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,752.94 : 11,631.23 = 2,558.81 : x
  2. Step 2: Convert to fraction form
    7,752.94/11,631.23 = 2,558.81/x
  3. Step 3: Cross multiply
    7,752.94x = 11,631.23 × 2,558.81
  4. Step 4: Simplify right side
    7,752.94x = 29,762,094.84
  5. Step 5: Solve for x
    x = 29,762,094.84/7,752.94
  6. Step 6: Final answer
    x = 3,838.81

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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.