Home / 3,133.61-4,322.99-2,014.34

Finding the Fourth Proportional to 3,133.61, 4,322.99 and 2,014.34

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Solution

The fourth proportional to 3,133.61, 4,322.99 and 2,014.34 is: 2,778.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.61 : 4,322.99 = 2,014.34 : x
  2. Step 2: Convert to fraction form
    3,133.61/4,322.99 = 2,014.34/x
  3. Step 3: Cross multiply
    3,133.61x = 4,322.99 × 2,014.34
  4. Step 4: Simplify right side
    3,133.61x = 8,707,971.68
  5. Step 5: Solve for x
    x = 8,707,971.68/3,133.61
  6. Step 6: Final answer
    x = 2,778.89

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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.