Home / 3,176.85-4,384.15-1,760.51

Finding the Fourth Proportional to 3,176.85, 4,384.15 and 1,760.51

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Solution

The fourth proportional to 3,176.85, 4,384.15 and 1,760.51 is: 2,429.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.85 : 4,384.15 = 1,760.51 : x
  2. Step 2: Convert to fraction form
    3,176.85/4,384.15 = 1,760.51/x
  3. Step 3: Cross multiply
    3,176.85x = 4,384.15 × 1,760.51
  4. Step 4: Simplify right side
    3,176.85x = 7,718,339.92
  5. Step 5: Solve for x
    x = 7,718,339.92/3,176.85
  6. Step 6: Final answer
    x = 2,429.56

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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.