Home / 4,900.15-6,759.80-2,909.27

Finding the Fourth Proportional to 4,900.15, 6,759.80 and 2,909.27

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Solution

The fourth proportional to 4,900.15, 6,759.80 and 2,909.27 is: 4,013.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,900.15 : 6,759.80 = 2,909.27 : x
  2. Step 2: Convert to fraction form
    4,900.15/6,759.80 = 2,909.27/x
  3. Step 3: Cross multiply
    4,900.15x = 6,759.80 × 2,909.27
  4. Step 4: Simplify right side
    4,900.15x = 19,666,074.95
  5. Step 5: Solve for x
    x = 19,666,074.95/4,900.15
  6. Step 6: Final answer
    x = 4,013.37

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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.