Home / 5,274.20-7,903.47-2,150.39

Finding the Fourth Proportional to 5,274.20, 7,903.47 and 2,150.39

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Solution

The fourth proportional to 5,274.20, 7,903.47 and 2,150.39 is: 3,222.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.20 : 7,903.47 = 2,150.39 : x
  2. Step 2: Convert to fraction form
    5,274.20/7,903.47 = 2,150.39/x
  3. Step 3: Cross multiply
    5,274.20x = 7,903.47 × 2,150.39
  4. Step 4: Simplify right side
    5,274.20x = 16,995,503.34
  5. Step 5: Solve for x
    x = 16,995,503.34/5,274.20
  6. Step 6: Final answer
    x = 3,222.39

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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.