Home / 6,123.09-8,449.65-3,470.45

Finding the Fourth Proportional to 6,123.09, 8,449.65 and 3,470.45

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Solution

The fourth proportional to 6,123.09, 8,449.65 and 3,470.45 is: 4,789.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,123.09 : 8,449.65 = 3,470.45 : x
  2. Step 2: Convert to fraction form
    6,123.09/8,449.65 = 3,470.45/x
  3. Step 3: Cross multiply
    6,123.09x = 8,449.65 × 3,470.45
  4. Step 4: Simplify right side
    6,123.09x = 29,324,045.59
  5. Step 5: Solve for x
    x = 29,324,045.59/6,123.09
  6. Step 6: Final answer
    x = 4,789.09

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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.