Home / 4,121.36-5,688.03-2,329.21

Finding the Fourth Proportional to 4,121.36, 5,688.03 and 2,329.21

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Solution

The fourth proportional to 4,121.36, 5,688.03 and 2,329.21 is: 3,214.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.36 : 5,688.03 = 2,329.21 : x
  2. Step 2: Convert to fraction form
    4,121.36/5,688.03 = 2,329.21/x
  3. Step 3: Cross multiply
    4,121.36x = 5,688.03 × 2,329.21
  4. Step 4: Simplify right side
    4,121.36x = 13,248,604.71
  5. Step 5: Solve for x
    x = 13,248,604.71/4,121.36
  6. Step 6: Final answer
    x = 3,214.62

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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.