Home / 4,971.12-6,860.24-2,733.12

Finding the Fourth Proportional to 4,971.12, 6,860.24 and 2,733.12

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Solution

The fourth proportional to 4,971.12, 6,860.24 and 2,733.12 is: 3,771.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.12 : 6,860.24 = 2,733.12 : x
  2. Step 2: Convert to fraction form
    4,971.12/6,860.24 = 2,733.12/x
  3. Step 3: Cross multiply
    4,971.12x = 6,860.24 × 2,733.12
  4. Step 4: Simplify right side
    4,971.12x = 18,749,859.15
  5. Step 5: Solve for x
    x = 18,749,859.15/4,971.12
  6. Step 6: Final answer
    x = 3,771.76

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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.