Home / 5,222.50-7,205.47-3,098.39

Finding the Fourth Proportional to 5,222.50, 7,205.47 and 3,098.39

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Solution

The fourth proportional to 5,222.50, 7,205.47 and 3,098.39 is: 4,274.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.50 : 7,205.47 = 3,098.39 : x
  2. Step 2: Convert to fraction form
    5,222.50/7,205.47 = 3,098.39/x
  3. Step 3: Cross multiply
    5,222.50x = 7,205.47 × 3,098.39
  4. Step 4: Simplify right side
    5,222.50x = 22,325,312.42
  5. Step 5: Solve for x
    x = 22,325,312.42/5,222.50
  6. Step 6: Final answer
    x = 4,274.83

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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.