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Finding the Fourth Proportional to 4,483.87, 6,720.85 and 3,256.63

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Solution

The fourth proportional to 4,483.87, 6,720.85 and 3,256.63 is: 4,881.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,483.87 : 6,720.85 = 3,256.63 : x
  2. Step 2: Convert to fraction form
    4,483.87/6,720.85 = 3,256.63/x
  3. Step 3: Cross multiply
    4,483.87x = 6,720.85 × 3,256.63
  4. Step 4: Simplify right side
    4,483.87x = 21,887,321.74
  5. Step 5: Solve for x
    x = 21,887,321.74/4,483.87
  6. Step 6: Final answer
    x = 4,881.35

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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.