Home / 5,088.75-7,022.73-2,851.12

Finding the Fourth Proportional to 5,088.75, 7,022.73 and 2,851.12

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Solution

The fourth proportional to 5,088.75, 7,022.73 and 2,851.12 is: 3,934.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.75 : 7,022.73 = 2,851.12 : x
  2. Step 2: Convert to fraction form
    5,088.75/7,022.73 = 2,851.12/x
  3. Step 3: Cross multiply
    5,088.75x = 7,022.73 × 2,851.12
  4. Step 4: Simplify right side
    5,088.75x = 20,022,645.96
  5. Step 5: Solve for x
    x = 20,022,645.96/5,088.75
  6. Step 6: Final answer
    x = 3,934.69

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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.