Home / 3,315.61-4,973.19-2,392.84

Finding the Fourth Proportional to 3,315.61, 4,973.19 and 2,392.84

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Solution

The fourth proportional to 3,315.61, 4,973.19 and 2,392.84 is: 3,589.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.61 : 4,973.19 = 2,392.84 : x
  2. Step 2: Convert to fraction form
    3,315.61/4,973.19 = 2,392.84/x
  3. Step 3: Cross multiply
    3,315.61x = 4,973.19 × 2,392.84
  4. Step 4: Simplify right side
    3,315.61x = 11,900,047.96
  5. Step 5: Solve for x
    x = 11,900,047.96/3,315.61
  6. Step 6: Final answer
    x = 3,589.10

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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.