Home / 5,897.58-8,138.51-3,208.68

Finding the Fourth Proportional to 5,897.58, 8,138.51 and 3,208.68

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Solution

The fourth proportional to 5,897.58, 8,138.51 and 3,208.68 is: 4,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,897.58 : 8,138.51 = 3,208.68 : x
  2. Step 2: Convert to fraction form
    5,897.58/8,138.51 = 3,208.68/x
  3. Step 3: Cross multiply
    5,897.58x = 8,138.51 × 3,208.68
  4. Step 4: Simplify right side
    5,897.58x = 26,113,906.79
  5. Step 5: Solve for x
    x = 26,113,906.79/5,897.58
  6. Step 6: Final answer
    x = 4,427.90

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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.