Home / 4,772.59-7,151.58-1,997.75

Finding the Fourth Proportional to 4,772.59, 7,151.58 and 1,997.75

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Solution

The fourth proportional to 4,772.59, 7,151.58 and 1,997.75 is: 2,993.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,772.59 : 7,151.58 = 1,997.75 : x
  2. Step 2: Convert to fraction form
    4,772.59/7,151.58 = 1,997.75/x
  3. Step 3: Cross multiply
    4,772.59x = 7,151.58 × 1,997.75
  4. Step 4: Simplify right side
    4,772.59x = 14,287,068.95
  5. Step 5: Solve for x
    x = 14,287,068.95/4,772.59
  6. Step 6: Final answer
    x = 2,993.57

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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.