Home / 2,784.22-4,176.80-935.51

Finding the Fourth Proportional to 2,784.22, 4,176.80 and 935.51

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Solution

The fourth proportional to 2,784.22, 4,176.80 and 935.51 is: 1,403.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.22 : 4,176.80 = 935.51 : x
  2. Step 2: Convert to fraction form
    2,784.22/4,176.80 = 935.51/x
  3. Step 3: Cross multiply
    2,784.22x = 4,176.80 × 935.51
  4. Step 4: Simplify right side
    2,784.22x = 3,907,438.17
  5. Step 5: Solve for x
    x = 3,907,438.17/2,784.22
  6. Step 6: Final answer
    x = 1,403.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.