Home / 4,923.20-6,795.11-3,130.33

Finding the Fourth Proportional to 4,923.20, 6,795.11 and 3,130.33

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Solution

The fourth proportional to 4,923.20, 6,795.11 and 3,130.33 is: 4,320.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923.20 : 6,795.11 = 3,130.33 : x
  2. Step 2: Convert to fraction form
    4,923.20/6,795.11 = 3,130.33/x
  3. Step 3: Cross multiply
    4,923.20x = 6,795.11 × 3,130.33
  4. Step 4: Simplify right side
    4,923.20x = 21,270,922.66
  5. Step 5: Solve for x
    x = 21,270,922.66/4,923.20
  6. Step 6: Final answer
    x = 4,320.55

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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.