Home / 7,828.53-11,734.29-2,894.01

Finding the Fourth Proportional to 7,828.53, 11,734.29 and 2,894.01

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Solution

The fourth proportional to 7,828.53, 11,734.29 and 2,894.01 is: 4,337.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.53 : 11,734.29 = 2,894.01 : x
  2. Step 2: Convert to fraction form
    7,828.53/11,734.29 = 2,894.01/x
  3. Step 3: Cross multiply
    7,828.53x = 11,734.29 × 2,894.01
  4. Step 4: Simplify right side
    7,828.53x = 33,959,152.60
  5. Step 5: Solve for x
    x = 33,959,152.60/7,828.53
  6. Step 6: Final answer
    x = 4,337.87

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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.