Home / 6,291.39-8,682.33-3,458.87

Finding the Fourth Proportional to 6,291.39, 8,682.33 and 3,458.87

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Solution

The fourth proportional to 6,291.39, 8,682.33 and 3,458.87 is: 4,773.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291.39 : 8,682.33 = 3,458.87 : x
  2. Step 2: Convert to fraction form
    6,291.39/8,682.33 = 3,458.87/x
  3. Step 3: Cross multiply
    6,291.39x = 8,682.33 × 3,458.87
  4. Step 4: Simplify right side
    6,291.39x = 30,031,007.36
  5. Step 5: Solve for x
    x = 30,031,007.36/6,291.39
  6. Step 6: Final answer
    x = 4,773.35

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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.