Home / 5,909.41-8,147.40-4,843.31

Finding the Fourth Proportional to 5,909.41, 8,147.40 and 4,843.31

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Solution

The fourth proportional to 5,909.41, 8,147.40 and 4,843.31 is: 6,677.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.41 : 8,147.40 = 4,843.31 : x
  2. Step 2: Convert to fraction form
    5,909.41/8,147.40 = 4,843.31/x
  3. Step 3: Cross multiply
    5,909.41x = 8,147.40 × 4,843.31
  4. Step 4: Simplify right side
    5,909.41x = 39,460,383.89
  5. Step 5: Solve for x
    x = 39,460,383.89/5,909.41
  6. Step 6: Final answer
    x = 6,677.55

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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.