Home / 6,123.79-8,450.49-3,471.04

Finding the Fourth Proportional to 6,123.79, 8,450.49 and 3,471.04

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Solution

The fourth proportional to 6,123.79, 8,450.49 and 3,471.04 is: 4,789.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,123.79 : 8,450.49 = 3,471.04 : x
  2. Step 2: Convert to fraction form
    6,123.79/8,450.49 = 3,471.04/x
  3. Step 3: Cross multiply
    6,123.79x = 8,450.49 × 3,471.04
  4. Step 4: Simplify right side
    6,123.79x = 29,331,988.81
  5. Step 5: Solve for x
    x = 29,331,988.81/6,123.79
  6. Step 6: Final answer
    x = 4,789.84

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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.