Home / 5,809.38-8,015.65-3,291.27

Finding the Fourth Proportional to 5,809.38, 8,015.65 and 3,291.27

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Solution

The fourth proportional to 5,809.38, 8,015.65 and 3,291.27 is: 4,541.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.38 : 8,015.65 = 3,291.27 : x
  2. Step 2: Convert to fraction form
    5,809.38/8,015.65 = 3,291.27/x
  3. Step 3: Cross multiply
    5,809.38x = 8,015.65 × 3,291.27
  4. Step 4: Simplify right side
    5,809.38x = 26,381,668.38
  5. Step 5: Solve for x
    x = 26,381,668.38/5,809.38
  6. Step 6: Final answer
    x = 4,541.22

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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.