Home / 5,496.51-7,584.78-3,138.18

Finding the Fourth Proportional to 5,496.51, 7,584.78 and 3,138.18

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Solution

The fourth proportional to 5,496.51, 7,584.78 and 3,138.18 is: 4,330.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,496.51 : 7,584.78 = 3,138.18 : x
  2. Step 2: Convert to fraction form
    5,496.51/7,584.78 = 3,138.18/x
  3. Step 3: Cross multiply
    5,496.51x = 7,584.78 × 3,138.18
  4. Step 4: Simplify right side
    5,496.51x = 23,802,404.90
  5. Step 5: Solve for x
    x = 23,802,404.90/5,496.51
  6. Step 6: Final answer
    x = 4,330.46

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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.