Home / 5,217.54-7,820.64-2,442.48

Finding the Fourth Proportional to 5,217.54, 7,820.64 and 2,442.48

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Solution

The fourth proportional to 5,217.54, 7,820.64 and 2,442.48 is: 3,661.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.54 : 7,820.64 = 2,442.48 : x
  2. Step 2: Convert to fraction form
    5,217.54/7,820.64 = 2,442.48/x
  3. Step 3: Cross multiply
    5,217.54x = 7,820.64 × 2,442.48
  4. Step 4: Simplify right side
    5,217.54x = 19,101,756.79
  5. Step 5: Solve for x
    x = 19,101,756.79/5,217.54
  6. Step 6: Final answer
    x = 3,661.07

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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.