Home / 5,228.15-7,840.60-2,453.29

Finding the Fourth Proportional to 5,228.15, 7,840.60 and 2,453.29

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Solution

The fourth proportional to 5,228.15, 7,840.60 and 2,453.29 is: 3,679.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.15 : 7,840.60 = 2,453.29 : x
  2. Step 2: Convert to fraction form
    5,228.15/7,840.60 = 2,453.29/x
  3. Step 3: Cross multiply
    5,228.15x = 7,840.60 × 2,453.29
  4. Step 4: Simplify right side
    5,228.15x = 19,235,239.84
  5. Step 5: Solve for x
    x = 19,235,239.84/5,228.15
  6. Step 6: Final answer
    x = 3,679.17

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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.