Home / 5,839.72-8,765.40-2,555.08

Finding the Fourth Proportional to 5,839.72, 8,765.40 and 2,555.08

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Solution

The fourth proportional to 5,839.72, 8,765.40 and 2,555.08 is: 3,835.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,839.72 : 8,765.40 = 2,555.08 : x
  2. Step 2: Convert to fraction form
    5,839.72/8,765.40 = 2,555.08/x
  3. Step 3: Cross multiply
    5,839.72x = 8,765.40 × 2,555.08
  4. Step 4: Simplify right side
    5,839.72x = 22,396,298.23
  5. Step 5: Solve for x
    x = 22,396,298.23/5,839.72
  6. Step 6: Final answer
    x = 3,835.17

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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.