Home / 5,153.76-7,112.25-2,795.94

Finding the Fourth Proportional to 5,153.76, 7,112.25 and 2,795.94

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Solution

The fourth proportional to 5,153.76, 7,112.25 and 2,795.94 is: 3,858.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.76 : 7,112.25 = 2,795.94 : x
  2. Step 2: Convert to fraction form
    5,153.76/7,112.25 = 2,795.94/x
  3. Step 3: Cross multiply
    5,153.76x = 7,112.25 × 2,795.94
  4. Step 4: Simplify right side
    5,153.76x = 19,885,424.27
  5. Step 5: Solve for x
    x = 19,885,424.27/5,153.76
  6. Step 6: Final answer
    x = 3,858.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.