Home / 5,818.51-8,029.72-3,166.09

Finding the Fourth Proportional to 5,818.51, 8,029.72 and 3,166.09

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Solution

The fourth proportional to 5,818.51, 8,029.72 and 3,166.09 is: 4,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.51 : 8,029.72 = 3,166.09 : x
  2. Step 2: Convert to fraction form
    5,818.51/8,029.72 = 3,166.09/x
  3. Step 3: Cross multiply
    5,818.51x = 8,029.72 × 3,166.09
  4. Step 4: Simplify right side
    5,818.51x = 25,422,808.28
  5. Step 5: Solve for x
    x = 25,422,808.28/5,818.51
  6. Step 6: Final answer
    x = 4,369.30

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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.