Home / 5,257.68-7,254.78-3,019.25

Finding the Fourth Proportional to 5,257.68, 7,254.78 and 3,019.25

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Solution

The fourth proportional to 5,257.68, 7,254.78 and 3,019.25 is: 4,166.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.68 : 7,254.78 = 3,019.25 : x
  2. Step 2: Convert to fraction form
    5,257.68/7,254.78 = 3,019.25/x
  3. Step 3: Cross multiply
    5,257.68x = 7,254.78 × 3,019.25
  4. Step 4: Simplify right side
    5,257.68x = 21,903,946.92
  5. Step 5: Solve for x
    x = 21,903,946.92/5,257.68
  6. Step 6: Final answer
    x = 4,166.09

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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.