Home / 5,237.88-7,228.45-3,000.48

Finding the Fourth Proportional to 5,237.88, 7,228.45 and 3,000.48

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Solution

The fourth proportional to 5,237.88, 7,228.45 and 3,000.48 is: 4,140.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.88 : 7,228.45 = 3,000.48 : x
  2. Step 2: Convert to fraction form
    5,237.88/7,228.45 = 3,000.48/x
  3. Step 3: Cross multiply
    5,237.88x = 7,228.45 × 3,000.48
  4. Step 4: Simplify right side
    5,237.88x = 21,688,819.66
  5. Step 5: Solve for x
    x = 21,688,819.66/5,237.88
  6. Step 6: Final answer
    x = 4,140.76

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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.