Home / 4,649.10-6,415.47-2,553.21

Finding the Fourth Proportional to 4,649.10, 6,415.47 and 2,553.21

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Solution

The fourth proportional to 4,649.10, 6,415.47 and 2,553.21 is: 3,523.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,649.10 : 6,415.47 = 2,553.21 : x
  2. Step 2: Convert to fraction form
    4,649.10/6,415.47 = 2,553.21/x
  3. Step 3: Cross multiply
    4,649.10x = 6,415.47 × 2,553.21
  4. Step 4: Simplify right side
    4,649.10x = 16,380,042.16
  5. Step 5: Solve for x
    x = 16,380,042.16/4,649.10
  6. Step 6: Final answer
    x = 3,523.27

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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.