Home / 5,905.04-8,857.55-2,206.31

Finding the Fourth Proportional to 5,905.04, 8,857.55 and 2,206.31

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Solution

The fourth proportional to 5,905.04, 8,857.55 and 2,206.31 is: 3,309.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.04 : 8,857.55 = 2,206.31 : x
  2. Step 2: Convert to fraction form
    5,905.04/8,857.55 = 2,206.31/x
  3. Step 3: Cross multiply
    5,905.04x = 8,857.55 × 2,206.31
  4. Step 4: Simplify right side
    5,905.04x = 19,542,462.37
  5. Step 5: Solve for x
    x = 19,542,462.37/5,905.04
  6. Step 6: Final answer
    x = 3,309.46

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.