Home / 4,900.23-7,348.46-2,126.39

Finding the Fourth Proportional to 4,900.23, 7,348.46 and 2,126.39

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Solution

The fourth proportional to 4,900.23, 7,348.46 and 2,126.39 is: 3,188.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,900.23 : 7,348.46 = 2,126.39 : x
  2. Step 2: Convert to fraction form
    4,900.23/7,348.46 = 2,126.39/x
  3. Step 3: Cross multiply
    4,900.23x = 7,348.46 × 2,126.39
  4. Step 4: Simplify right side
    4,900.23x = 15,625,644.49
  5. Step 5: Solve for x
    x = 15,625,644.49/4,900.23
  6. Step 6: Final answer
    x = 3,188.76

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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.