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Finding the Fourth Proportional to 4,153.80, 5,756.99 and 4,076.04

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Solution

The fourth proportional to 4,153.80, 5,756.99 and 4,076.04 is: 5,649.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,153.80 : 5,756.99 = 4,076.04 : x
  2. Step 2: Convert to fraction form
    4,153.80/5,756.99 = 4,076.04/x
  3. Step 3: Cross multiply
    4,153.80x = 5,756.99 × 4,076.04
  4. Step 4: Simplify right side
    4,153.80x = 23,465,721.52
  5. Step 5: Solve for x
    x = 23,465,721.52/4,153.80
  6. Step 6: Final answer
    x = 5,649.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.