Home / 3,099.84-4,637.28-2,672.32

Finding the Fourth Proportional to 3,099.84, 4,637.28 and 2,672.32

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Solution

The fourth proportional to 3,099.84, 4,637.28 and 2,672.32 is: 3,997.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.84 : 4,637.28 = 2,672.32 : x
  2. Step 2: Convert to fraction form
    3,099.84/4,637.28 = 2,672.32/x
  3. Step 3: Cross multiply
    3,099.84x = 4,637.28 × 2,672.32
  4. Step 4: Simplify right side
    3,099.84x = 12,392,296.09
  5. Step 5: Solve for x
    x = 12,392,296.09/3,099.84
  6. Step 6: Final answer
    x = 3,997.72

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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.