Home / 4,331.36-6,492-2,772.20

Finding the Fourth Proportional to 4,331.36, 6,492 and 2,772.20

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Solution

The fourth proportional to 4,331.36, 6,492 and 2,772.20 is: 4,155.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,331.36 : 6,492 = 2,772.20 : x
  2. Step 2: Convert to fraction form
    4,331.36/6,492 = 2,772.20/x
  3. Step 3: Cross multiply
    4,331.36x = 6,492 × 2,772.20
  4. Step 4: Simplify right side
    4,331.36x = 17,997,122.40
  5. Step 5: Solve for x
    x = 17,997,122.40/4,331.36
  6. Step 6: Final answer
    x = 4,155.07

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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.