Home / 4,622.90-6,930.99-3,157.46

Finding the Fourth Proportional to 4,622.90, 6,930.99 and 3,157.46

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Solution

The fourth proportional to 4,622.90, 6,930.99 and 3,157.46 is: 4,733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622.90 : 6,930.99 = 3,157.46 : x
  2. Step 2: Convert to fraction form
    4,622.90/6,930.99 = 3,157.46/x
  3. Step 3: Cross multiply
    4,622.90x = 6,930.99 × 3,157.46
  4. Step 4: Simplify right side
    4,622.90x = 21,884,323.69
  5. Step 5: Solve for x
    x = 21,884,323.69/4,622.90
  6. Step 6: Final answer
    x = 4,733.90

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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.