Home / 2,784.41-4,176.67-935.18

Finding the Fourth Proportional to 2,784.41, 4,176.67 and 935.18

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Solution

The fourth proportional to 2,784.41, 4,176.67 and 935.18 is: 1,402.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.41 : 4,176.67 = 935.18 : x
  2. Step 2: Convert to fraction form
    2,784.41/4,176.67 = 935.18/x
  3. Step 3: Cross multiply
    2,784.41x = 4,176.67 × 935.18
  4. Step 4: Simplify right side
    2,784.41x = 3,905,938.25
  5. Step 5: Solve for x
    x = 3,905,938.25/2,784.41
  6. Step 6: Final answer
    x = 1,402.79

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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.