Home / 5,815.72-8,026.80-3,297.76

Finding the Fourth Proportional to 5,815.72, 8,026.80 and 3,297.76

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Solution

The fourth proportional to 5,815.72, 8,026.80 and 3,297.76 is: 4,551.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.72 : 8,026.80 = 3,297.76 : x
  2. Step 2: Convert to fraction form
    5,815.72/8,026.80 = 3,297.76/x
  3. Step 3: Cross multiply
    5,815.72x = 8,026.80 × 3,297.76
  4. Step 4: Simplify right side
    5,815.72x = 26,470,459.97
  5. Step 5: Solve for x
    x = 26,470,459.97/5,815.72
  6. Step 6: Final answer
    x = 4,551.54

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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.