Home / 5,388.95-8,076.56-2,424.22

Finding the Fourth Proportional to 5,388.95, 8,076.56 and 2,424.22

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Solution

The fourth proportional to 5,388.95, 8,076.56 and 2,424.22 is: 3,633.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.95 : 8,076.56 = 2,424.22 : x
  2. Step 2: Convert to fraction form
    5,388.95/8,076.56 = 2,424.22/x
  3. Step 3: Cross multiply
    5,388.95x = 8,076.56 × 2,424.22
  4. Step 4: Simplify right side
    5,388.95x = 19,579,344.15
  5. Step 5: Solve for x
    x = 19,579,344.15/5,388.95
  6. Step 6: Final answer
    x = 3,633.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.