Home / 4,619.34-6,931.40-2,540.99

Finding the Fourth Proportional to 4,619.34, 6,931.40 and 2,540.99

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Solution

The fourth proportional to 4,619.34, 6,931.40 and 2,540.99 is: 3,812.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,619.34 : 6,931.40 = 2,540.99 : x
  2. Step 2: Convert to fraction form
    4,619.34/6,931.40 = 2,540.99/x
  3. Step 3: Cross multiply
    4,619.34x = 6,931.40 × 2,540.99
  4. Step 4: Simplify right side
    4,619.34x = 17,612,570.72
  5. Step 5: Solve for x
    x = 17,612,570.72/4,619.34
  6. Step 6: Final answer
    x = 3,812.79

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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.