Home / 3,191.41-4,765.60-2,607.56

Finding the Fourth Proportional to 3,191.41, 4,765.60 and 2,607.56

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Solution

The fourth proportional to 3,191.41, 4,765.60 and 2,607.56 is: 3,893.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.41 : 4,765.60 = 2,607.56 : x
  2. Step 2: Convert to fraction form
    3,191.41/4,765.60 = 2,607.56/x
  3. Step 3: Cross multiply
    3,191.41x = 4,765.60 × 2,607.56
  4. Step 4: Simplify right side
    3,191.41x = 12,426,557.59
  5. Step 5: Solve for x
    x = 12,426,557.59/3,191.41
  6. Step 6: Final answer
    x = 3,893.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.