Home / 4,857.63-6,728.91-4,759.21

Finding the Fourth Proportional to 4,857.63, 6,728.91 and 4,759.21

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Solution

The fourth proportional to 4,857.63, 6,728.91 and 4,759.21 is: 6,592.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857.63 : 6,728.91 = 4,759.21 : x
  2. Step 2: Convert to fraction form
    4,857.63/6,728.91 = 4,759.21/x
  3. Step 3: Cross multiply
    4,857.63x = 6,728.91 × 4,759.21
  4. Step 4: Simplify right side
    4,857.63x = 32,024,295.76
  5. Step 5: Solve for x
    x = 32,024,295.76/4,857.63
  6. Step 6: Final answer
    x = 6,592.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.