Home / 5,922.68-8,172.60-3,532.78

Finding the Fourth Proportional to 5,922.68, 8,172.60 and 3,532.78

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Solution

The fourth proportional to 5,922.68, 8,172.60 and 3,532.78 is: 4,874.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,922.68 : 8,172.60 = 3,532.78 : x
  2. Step 2: Convert to fraction form
    5,922.68/8,172.60 = 3,532.78/x
  3. Step 3: Cross multiply
    5,922.68x = 8,172.60 × 3,532.78
  4. Step 4: Simplify right side
    5,922.68x = 28,871,994.80
  5. Step 5: Solve for x
    x = 28,871,994.80/5,922.68
  6. Step 6: Final answer
    x = 4,874.82

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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.