Home / 5,447.35-7,498.92-4,887.64

Finding the Fourth Proportional to 5,447.35, 7,498.92 and 4,887.64

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Solution

The fourth proportional to 5,447.35, 7,498.92 and 4,887.64 is: 6,728.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.35 : 7,498.92 = 4,887.64 : x
  2. Step 2: Convert to fraction form
    5,447.35/7,498.92 = 4,887.64/x
  3. Step 3: Cross multiply
    5,447.35x = 7,498.92 × 4,887.64
  4. Step 4: Simplify right side
    5,447.35x = 36,652,021.35
  5. Step 5: Solve for x
    x = 36,652,021.35/5,447.35
  6. Step 6: Final answer
    x = 6,728.41

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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.