Home / 5,162.08-7,123.70-2,804.24

Finding the Fourth Proportional to 5,162.08, 7,123.70 and 2,804.24

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Solution

The fourth proportional to 5,162.08, 7,123.70 and 2,804.24 is: 3,869.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162.08 : 7,123.70 = 2,804.24 : x
  2. Step 2: Convert to fraction form
    5,162.08/7,123.70 = 2,804.24/x
  3. Step 3: Cross multiply
    5,162.08x = 7,123.70 × 2,804.24
  4. Step 4: Simplify right side
    5,162.08x = 19,976,564.49
  5. Step 5: Solve for x
    x = 19,976,564.49/5,162.08
  6. Step 6: Final answer
    x = 3,869.87

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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.