Home / 4,811.91-7,218.12-1,525.26

Finding the Fourth Proportional to 4,811.91, 7,218.12 and 1,525.26

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Solution

The fourth proportional to 4,811.91, 7,218.12 and 1,525.26 is: 2,287.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.91 : 7,218.12 = 1,525.26 : x
  2. Step 2: Convert to fraction form
    4,811.91/7,218.12 = 1,525.26/x
  3. Step 3: Cross multiply
    4,811.91x = 7,218.12 × 1,525.26
  4. Step 4: Simplify right side
    4,811.91x = 11,009,507.76
  5. Step 5: Solve for x
    x = 11,009,507.76/4,811.91
  6. Step 6: Final answer
    x = 2,287.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.