Home / 5,237.85-7,228.25-2,847.84

Finding the Fourth Proportional to 5,237.85, 7,228.25 and 2,847.84

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Solution

The fourth proportional to 5,237.85, 7,228.25 and 2,847.84 is: 3,930.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.85 : 7,228.25 = 2,847.84 : x
  2. Step 2: Convert to fraction form
    5,237.85/7,228.25 = 2,847.84/x
  3. Step 3: Cross multiply
    5,237.85x = 7,228.25 × 2,847.84
  4. Step 4: Simplify right side
    5,237.85x = 20,584,899.48
  5. Step 5: Solve for x
    x = 20,584,899.48/5,237.85
  6. Step 6: Final answer
    x = 3,930.03

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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.