Home / 4,800.16-6,624.48-2,811.31

Finding the Fourth Proportional to 4,800.16, 6,624.48 and 2,811.31

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Solution

The fourth proportional to 4,800.16, 6,624.48 and 2,811.31 is: 3,879.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,800.16 : 6,624.48 = 2,811.31 : x
  2. Step 2: Convert to fraction form
    4,800.16/6,624.48 = 2,811.31/x
  3. Step 3: Cross multiply
    4,800.16x = 6,624.48 × 2,811.31
  4. Step 4: Simplify right side
    4,800.16x = 18,623,460.85
  5. Step 5: Solve for x
    x = 18,623,460.85/4,800.16
  6. Step 6: Final answer
    x = 3,879.76

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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.