Home / 2,785.16-3,851.88-2,435.24

Finding the Fourth Proportional to 2,785.16, 3,851.88 and 2,435.24

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Solution

The fourth proportional to 2,785.16, 3,851.88 and 2,435.24 is: 3,367.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.16 : 3,851.88 = 2,435.24 : x
  2. Step 2: Convert to fraction form
    2,785.16/3,851.88 = 2,435.24/x
  3. Step 3: Cross multiply
    2,785.16x = 3,851.88 × 2,435.24
  4. Step 4: Simplify right side
    2,785.16x = 9,380,252.25
  5. Step 5: Solve for x
    x = 9,380,252.25/2,785.16
  6. Step 6: Final answer
    x = 3,367.94

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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.