Home / 5,508.86-7,603.21-3,118.97

Finding the Fourth Proportional to 5,508.86, 7,603.21 and 3,118.97

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Solution

The fourth proportional to 5,508.86, 7,603.21 and 3,118.97 is: 4,304.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,508.86 : 7,603.21 = 3,118.97 : x
  2. Step 2: Convert to fraction form
    5,508.86/7,603.21 = 3,118.97/x
  3. Step 3: Cross multiply
    5,508.86x = 7,603.21 × 3,118.97
  4. Step 4: Simplify right side
    5,508.86x = 23,714,195.10
  5. Step 5: Solve for x
    x = 23,714,195.10/5,508.86
  6. Step 6: Final answer
    x = 4,304.74

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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.