Home / 5,578.47-7,698.37-3,060.54

Finding the Fourth Proportional to 5,578.47, 7,698.37 and 3,060.54

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Solution

The fourth proportional to 5,578.47, 7,698.37 and 3,060.54 is: 4,223.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.47 : 7,698.37 = 3,060.54 : x
  2. Step 2: Convert to fraction form
    5,578.47/7,698.37 = 3,060.54/x
  3. Step 3: Cross multiply
    5,578.47x = 7,698.37 × 3,060.54
  4. Step 4: Simplify right side
    5,578.47x = 23,561,167.34
  5. Step 5: Solve for x
    x = 23,561,167.34/5,578.47
  6. Step 6: Final answer
    x = 4,223.59

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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.