Home / 4,192.78-5,785.58-2,424.12

Finding the Fourth Proportional to 4,192.78, 5,785.58 and 2,424.12

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Solution

The fourth proportional to 4,192.78, 5,785.58 and 2,424.12 is: 3,345.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.78 : 5,785.58 = 2,424.12 : x
  2. Step 2: Convert to fraction form
    4,192.78/5,785.58 = 2,424.12/x
  3. Step 3: Cross multiply
    4,192.78x = 5,785.58 × 2,424.12
  4. Step 4: Simplify right side
    4,192.78x = 14,024,940.19
  5. Step 5: Solve for x
    x = 14,024,940.19/4,192.78
  6. Step 6: Final answer
    x = 3,345.02

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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.