Home / 3,047.49-4,540.88-2,720.36

Finding the Fourth Proportional to 3,047.49, 4,540.88 and 2,720.36

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Solution

The fourth proportional to 3,047.49, 4,540.88 and 2,720.36 is: 4,053.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.49 : 4,540.88 = 2,720.36 : x
  2. Step 2: Convert to fraction form
    3,047.49/4,540.88 = 2,720.36/x
  3. Step 3: Cross multiply
    3,047.49x = 4,540.88 × 2,720.36
  4. Step 4: Simplify right side
    3,047.49x = 12,352,792.01
  5. Step 5: Solve for x
    x = 12,352,792.01/3,047.49
  6. Step 6: Final answer
    x = 4,053.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.