Home / 4,990.72-6,887.24-2,752.67

Finding the Fourth Proportional to 4,990.72, 6,887.24 and 2,752.67

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Solution

The fourth proportional to 4,990.72, 6,887.24 and 2,752.67 is: 3,798.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.72 : 6,887.24 = 2,752.67 : x
  2. Step 2: Convert to fraction form
    4,990.72/6,887.24 = 2,752.67/x
  3. Step 3: Cross multiply
    4,990.72x = 6,887.24 × 2,752.67
  4. Step 4: Simplify right side
    4,990.72x = 18,958,298.93
  5. Step 5: Solve for x
    x = 18,958,298.93/4,990.72
  6. Step 6: Final answer
    x = 3,798.71

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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.