Home / 5,495.25-8,235.76-3,520.11

Finding the Fourth Proportional to 5,495.25, 8,235.76 and 3,520.11

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Solution

The fourth proportional to 5,495.25, 8,235.76 and 3,520.11 is: 5,275.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,495.25 : 8,235.76 = 3,520.11 : x
  2. Step 2: Convert to fraction form
    5,495.25/8,235.76 = 3,520.11/x
  3. Step 3: Cross multiply
    5,495.25x = 8,235.76 × 3,520.11
  4. Step 4: Simplify right side
    5,495.25x = 28,990,809.82
  5. Step 5: Solve for x
    x = 28,990,809.82/5,495.25
  6. Step 6: Final answer
    x = 5,275.61

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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.