Home / 4,958.12-7,437.82-2,618.21

Finding the Fourth Proportional to 4,958.12, 7,437.82 and 2,618.21

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Solution

The fourth proportional to 4,958.12, 7,437.82 and 2,618.21 is: 3,927.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,958.12 : 7,437.82 = 2,618.21 : x
  2. Step 2: Convert to fraction form
    4,958.12/7,437.82 = 2,618.21/x
  3. Step 3: Cross multiply
    4,958.12x = 7,437.82 × 2,618.21
  4. Step 4: Simplify right side
    4,958.12x = 19,473,811.51
  5. Step 5: Solve for x
    x = 19,473,811.51/4,958.12
  6. Step 6: Final answer
    x = 3,927.66

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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.