Home / 2,357.64-3,252.20-2,078.56

Finding the Fourth Proportional to 2,357.64, 3,252.20 and 2,078.56

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Solution

The fourth proportional to 2,357.64, 3,252.20 and 2,078.56 is: 2,867.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,357.64 : 3,252.20 = 2,078.56 : x
  2. Step 2: Convert to fraction form
    2,357.64/3,252.20 = 2,078.56/x
  3. Step 3: Cross multiply
    2,357.64x = 3,252.20 × 2,078.56
  4. Step 4: Simplify right side
    2,357.64x = 6,759,892.83
  5. Step 5: Solve for x
    x = 6,759,892.83/2,357.64
  6. Step 6: Final answer
    x = 2,867.23

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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.