Home / 6,222.90-8,588.86-3,572.12

Finding the Fourth Proportional to 6,222.90, 8,588.86 and 3,572.12

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Solution

The fourth proportional to 6,222.90, 8,588.86 and 3,572.12 is: 4,930.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,222.90 : 8,588.86 = 3,572.12 : x
  2. Step 2: Convert to fraction form
    6,222.90/8,588.86 = 3,572.12/x
  3. Step 3: Cross multiply
    6,222.90x = 8,588.86 × 3,572.12
  4. Step 4: Simplify right side
    6,222.90x = 30,680,438.58
  5. Step 5: Solve for x
    x = 30,680,438.58/6,222.90
  6. Step 6: Final answer
    x = 4,930.25

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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.