Home / 5,486.48-8,216.76-4,458.32

Finding the Fourth Proportional to 5,486.48, 8,216.76 and 4,458.32

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Solution

The fourth proportional to 5,486.48, 8,216.76 and 4,458.32 is: 6,676.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.48 : 8,216.76 = 4,458.32 : x
  2. Step 2: Convert to fraction form
    5,486.48/8,216.76 = 4,458.32/x
  3. Step 3: Cross multiply
    5,486.48x = 8,216.76 × 4,458.32
  4. Step 4: Simplify right side
    5,486.48x = 36,632,945.44
  5. Step 5: Solve for x
    x = 36,632,945.44/5,486.48
  6. Step 6: Final answer
    x = 6,676.95

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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.