Home / 5,511.84-7,605.27-3,520.86

Finding the Fourth Proportional to 5,511.84, 7,605.27 and 3,520.86

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Solution

The fourth proportional to 5,511.84, 7,605.27 and 3,520.86 is: 4,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.84 : 7,605.27 = 3,520.86 : x
  2. Step 2: Convert to fraction form
    5,511.84/7,605.27 = 3,520.86/x
  3. Step 3: Cross multiply
    5,511.84x = 7,605.27 × 3,520.86
  4. Step 4: Simplify right side
    5,511.84x = 26,777,090.93
  5. Step 5: Solve for x
    x = 26,777,090.93/5,511.84
  6. Step 6: Final answer
    x = 4,858.10

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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.