Home / 3,537.12-4,880.24-2,119.92

Finding the Fourth Proportional to 3,537.12, 4,880.24 and 2,119.92

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Solution

The fourth proportional to 3,537.12, 4,880.24 and 2,119.92 is: 2,924.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,537.12 : 4,880.24 = 2,119.92 : x
  2. Step 2: Convert to fraction form
    3,537.12/4,880.24 = 2,119.92/x
  3. Step 3: Cross multiply
    3,537.12x = 4,880.24 × 2,119.92
  4. Step 4: Simplify right side
    3,537.12x = 10,345,718.38
  5. Step 5: Solve for x
    x = 10,345,718.38/3,537.12
  6. Step 6: Final answer
    x = 2,924.90

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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.