Home / 5,162.70-7,124.52-2,804.84

Finding the Fourth Proportional to 5,162.70, 7,124.52 and 2,804.84

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Solution

The fourth proportional to 5,162.70, 7,124.52 and 2,804.84 is: 3,870.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162.70 : 7,124.52 = 2,804.84 : x
  2. Step 2: Convert to fraction form
    5,162.70/7,124.52 = 2,804.84/x
  3. Step 3: Cross multiply
    5,162.70x = 7,124.52 × 2,804.84
  4. Step 4: Simplify right side
    5,162.70x = 19,983,138.68
  5. Step 5: Solve for x
    x = 19,983,138.68/5,162.70
  6. Step 6: Final answer
    x = 3,870.68

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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.