Home / 5,251.04-7,247.04-3,155.84

Finding the Fourth Proportional to 5,251.04, 7,247.04 and 3,155.84

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Solution

The fourth proportional to 5,251.04, 7,247.04 and 3,155.84 is: 4,355.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.04 : 7,247.04 = 3,155.84 : x
  2. Step 2: Convert to fraction form
    5,251.04/7,247.04 = 3,155.84/x
  3. Step 3: Cross multiply
    5,251.04x = 7,247.04 × 3,155.84
  4. Step 4: Simplify right side
    5,251.04x = 22,870,498.71
  5. Step 5: Solve for x
    x = 22,870,498.71/5,251.04
  6. Step 6: Final answer
    x = 4,355.42

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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.