Home / 5,237.50-7,228.68-2,999.48

Finding the Fourth Proportional to 5,237.50, 7,228.68 and 2,999.48

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Solution

The fourth proportional to 5,237.50, 7,228.68 and 2,999.48 is: 4,139.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.50 : 7,228.68 = 2,999.48 : x
  2. Step 2: Convert to fraction form
    5,237.50/7,228.68 = 2,999.48/x
  3. Step 3: Cross multiply
    5,237.50x = 7,228.68 × 2,999.48
  4. Step 4: Simplify right side
    5,237.50x = 21,682,281.09
  5. Step 5: Solve for x
    x = 21,682,281.09/5,237.50
  6. Step 6: Final answer
    x = 4,139.82

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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.