Home / 5,815.70-8,026.29-5,091.26

Finding the Fourth Proportional to 5,815.70, 8,026.29 and 5,091.26

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Solution

The fourth proportional to 5,815.70, 8,026.29 and 5,091.26 is: 7,026.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.70 : 8,026.29 = 5,091.26 : x
  2. Step 2: Convert to fraction form
    5,815.70/8,026.29 = 5,091.26/x
  3. Step 3: Cross multiply
    5,815.70x = 8,026.29 × 5,091.26
  4. Step 4: Simplify right side
    5,815.70x = 40,863,889.09
  5. Step 5: Solve for x
    x = 40,863,889.09/5,815.70
  6. Step 6: Final answer
    x = 7,026.48

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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.