Home / 6,123.15-8,449.79-3,470.67

Finding the Fourth Proportional to 6,123.15, 8,449.79 and 3,470.67

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Solution

The fourth proportional to 6,123.15, 8,449.79 and 3,470.67 is: 4,789.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,123.15 : 8,449.79 = 3,470.67 : x
  2. Step 2: Convert to fraction form
    6,123.15/8,449.79 = 3,470.67/x
  3. Step 3: Cross multiply
    6,123.15x = 8,449.79 × 3,470.67
  4. Step 4: Simplify right side
    6,123.15x = 29,326,415.31
  5. Step 5: Solve for x
    x = 29,326,415.31/6,123.15
  6. Step 6: Final answer
    x = 4,789.43

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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.