Home / 4,805.01-6,628.39-3,909.76

Finding the Fourth Proportional to 4,805.01, 6,628.39 and 3,909.76

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Solution

The fourth proportional to 4,805.01, 6,628.39 and 3,909.76 is: 5,393.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805.01 : 6,628.39 = 3,909.76 : x
  2. Step 2: Convert to fraction form
    4,805.01/6,628.39 = 3,909.76/x
  3. Step 3: Cross multiply
    4,805.01x = 6,628.39 × 3,909.76
  4. Step 4: Simplify right side
    4,805.01x = 25,915,387.74
  5. Step 5: Solve for x
    x = 25,915,387.74/4,805.01
  6. Step 6: Final answer
    x = 5,393.41

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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.