Home / 7,778.30-10,733.31-4,633.88

Finding the Fourth Proportional to 7,778.30, 10,733.31 and 4,633.88

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Solution

The fourth proportional to 7,778.30, 10,733.31 and 4,633.88 is: 6,394.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778.30 : 10,733.31 = 4,633.88 : x
  2. Step 2: Convert to fraction form
    7,778.30/10,733.31 = 4,633.88/x
  3. Step 3: Cross multiply
    7,778.30x = 10,733.31 × 4,633.88
  4. Step 4: Simplify right side
    7,778.30x = 49,736,816.88
  5. Step 5: Solve for x
    x = 49,736,816.88/7,778.30
  6. Step 6: Final answer
    x = 6,394.31

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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.