Home / 5,115.75-7,673.64-2,037.75

Finding the Fourth Proportional to 5,115.75, 7,673.64 and 2,037.75

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Solution

The fourth proportional to 5,115.75, 7,673.64 and 2,037.75 is: 3,056.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115.75 : 7,673.64 = 2,037.75 : x
  2. Step 2: Convert to fraction form
    5,115.75/7,673.64 = 2,037.75/x
  3. Step 3: Cross multiply
    5,115.75x = 7,673.64 × 2,037.75
  4. Step 4: Simplify right side
    5,115.75x = 15,636,959.91
  5. Step 5: Solve for x
    x = 15,636,959.91/5,115.75
  6. Step 6: Final answer
    x = 3,056.63

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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.