Home / 4,053.26-5,578.98-2,872.28

Finding the Fourth Proportional to 4,053.26, 5,578.98 and 2,872.28

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Solution

The fourth proportional to 4,053.26, 5,578.98 and 2,872.28 is: 3,953.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,053.26 : 5,578.98 = 2,872.28 : x
  2. Step 2: Convert to fraction form
    4,053.26/5,578.98 = 2,872.28/x
  3. Step 3: Cross multiply
    4,053.26x = 5,578.98 × 2,872.28
  4. Step 4: Simplify right side
    4,053.26x = 16,024,392.67
  5. Step 5: Solve for x
    x = 16,024,392.67/4,053.26
  6. Step 6: Final answer
    x = 3,953.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.