Home / 5,605.10-8,406.59-2,272.47

Finding the Fourth Proportional to 5,605.10, 8,406.59 and 2,272.47

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Solution

The fourth proportional to 5,605.10, 8,406.59 and 2,272.47 is: 3,408.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.10 : 8,406.59 = 2,272.47 : x
  2. Step 2: Convert to fraction form
    5,605.10/8,406.59 = 2,272.47/x
  3. Step 3: Cross multiply
    5,605.10x = 8,406.59 × 2,272.47
  4. Step 4: Simplify right side
    5,605.10x = 19,103,712.21
  5. Step 5: Solve for x
    x = 19,103,712.21/5,605.10
  6. Step 6: Final answer
    x = 3,408.28

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1.5x scale

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.