Home / 4,759.36-7,139.34-1,472.58

Finding the Fourth Proportional to 4,759.36, 7,139.34 and 1,472.58

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Solution

The fourth proportional to 4,759.36, 7,139.34 and 1,472.58 is: 2,208.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.36 : 7,139.34 = 1,472.58 : x
  2. Step 2: Convert to fraction form
    4,759.36/7,139.34 = 1,472.58/x
  3. Step 3: Cross multiply
    4,759.36x = 7,139.34 × 1,472.58
  4. Step 4: Simplify right side
    4,759.36x = 10,513,249.30
  5. Step 5: Solve for x
    x = 10,513,249.30/4,759.36
  6. Step 6: Final answer
    x = 2,208.96

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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.