Home / 5,153.84-7,112.25-2,795.99

Finding the Fourth Proportional to 5,153.84, 7,112.25 and 2,795.99

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Solution

The fourth proportional to 5,153.84, 7,112.25 and 2,795.99 is: 3,858.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.84 : 7,112.25 = 2,795.99 : x
  2. Step 2: Convert to fraction form
    5,153.84/7,112.25 = 2,795.99/x
  3. Step 3: Cross multiply
    5,153.84x = 7,112.25 × 2,795.99
  4. Step 4: Simplify right side
    5,153.84x = 19,885,779.88
  5. Step 5: Solve for x
    x = 19,885,779.88/5,153.84
  6. Step 6: Final answer
    x = 3,858.44

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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.