Home / 4,878.15-7,308.59-3,331.59

Finding the Fourth Proportional to 4,878.15, 7,308.59 and 3,331.59

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Solution

The fourth proportional to 4,878.15, 7,308.59 and 3,331.59 is: 4,991.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.15 : 7,308.59 = 3,331.59 : x
  2. Step 2: Convert to fraction form
    4,878.15/7,308.59 = 3,331.59/x
  3. Step 3: Cross multiply
    4,878.15x = 7,308.59 × 3,331.59
  4. Step 4: Simplify right side
    4,878.15x = 24,349,208.70
  5. Step 5: Solve for x
    x = 24,349,208.70/4,878.15
  6. Step 6: Final answer
    x = 4,991.48

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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.