Home / 3,183.17-4,392.29-1,785.65

Finding the Fourth Proportional to 3,183.17, 4,392.29 and 1,785.65

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Solution

The fourth proportional to 3,183.17, 4,392.29 and 1,785.65 is: 2,463.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.17 : 4,392.29 = 1,785.65 : x
  2. Step 2: Convert to fraction form
    3,183.17/4,392.29 = 1,785.65/x
  3. Step 3: Cross multiply
    3,183.17x = 4,392.29 × 1,785.65
  4. Step 4: Simplify right side
    3,183.17x = 7,843,075.14
  5. Step 5: Solve for x
    x = 7,843,075.14/3,183.17
  6. Step 6: Final answer
    x = 2,463.92

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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.