Home / 4,235.73-5,845.65-2,817

Finding the Fourth Proportional to 4,235.73, 5,845.65 and 2,817

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Solution

The fourth proportional to 4,235.73, 5,845.65 and 2,817 is: 3,887.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,235.73 : 5,845.65 = 2,817 : x
  2. Step 2: Convert to fraction form
    4,235.73/5,845.65 = 2,817/x
  3. Step 3: Cross multiply
    4,235.73x = 5,845.65 × 2,817
  4. Step 4: Simplify right side
    4,235.73x = 16,467,196.05
  5. Step 5: Solve for x
    x = 16,467,196.05/4,235.73
  6. Step 6: Final answer
    x = 3,887.69

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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.