Home / 5,010.15-6,913.64-2,771.61

Finding the Fourth Proportional to 5,010.15, 6,913.64 and 2,771.61

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Solution

The fourth proportional to 5,010.15, 6,913.64 and 2,771.61 is: 3,824.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.15 : 6,913.64 = 2,771.61 : x
  2. Step 2: Convert to fraction form
    5,010.15/6,913.64 = 2,771.61/x
  3. Step 3: Cross multiply
    5,010.15x = 6,913.64 × 2,771.61
  4. Step 4: Simplify right side
    5,010.15x = 19,161,899.90
  5. Step 5: Solve for x
    x = 19,161,899.90/5,010.15
  6. Step 6: Final answer
    x = 3,824.62

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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.