Home / 4,759.97-7,140.30-1,472.64

Finding the Fourth Proportional to 4,759.97, 7,140.30 and 1,472.64

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Solution

The fourth proportional to 4,759.97, 7,140.30 and 1,472.64 is: 2,209.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.97 : 7,140.30 = 1,472.64 : x
  2. Step 2: Convert to fraction form
    4,759.97/7,140.30 = 1,472.64/x
  3. Step 3: Cross multiply
    4,759.97x = 7,140.30 × 1,472.64
  4. Step 4: Simplify right side
    4,759.97x = 10,515,085.87
  5. Step 5: Solve for x
    x = 10,515,085.87/4,759.97
  6. Step 6: Final answer
    x = 2,209.07

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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.