Home / 4,778.60-6,594.72-2,789.03

Finding the Fourth Proportional to 4,778.60, 6,594.72 and 2,789.03

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Solution

The fourth proportional to 4,778.60, 6,594.72 and 2,789.03 is: 3,849.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.60 : 6,594.72 = 2,789.03 : x
  2. Step 2: Convert to fraction form
    4,778.60/6,594.72 = 2,789.03/x
  3. Step 3: Cross multiply
    4,778.60x = 6,594.72 × 2,789.03
  4. Step 4: Simplify right side
    4,778.60x = 18,392,877.95
  5. Step 5: Solve for x
    x = 18,392,877.95/4,778.60
  6. Step 6: Final answer
    x = 3,849.01

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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.