Home / 5,253.84-7,249.86-3,015.54

Finding the Fourth Proportional to 5,253.84, 7,249.86 and 3,015.54

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Solution

The fourth proportional to 5,253.84, 7,249.86 and 3,015.54 is: 4,161.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.84 : 7,249.86 = 3,015.54 : x
  2. Step 2: Convert to fraction form
    5,253.84/7,249.86 = 3,015.54/x
  3. Step 3: Cross multiply
    5,253.84x = 7,249.86 × 3,015.54
  4. Step 4: Simplify right side
    5,253.84x = 21,862,242.82
  5. Step 5: Solve for x
    x = 21,862,242.82/5,253.84
  6. Step 6: Final answer
    x = 4,161.19

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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.