Home / 3,040.65-4,561.11-1,191.60

Finding the Fourth Proportional to 3,040.65, 4,561.11 and 1,191.60

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Solution

The fourth proportional to 3,040.65, 4,561.11 and 1,191.60 is: 1,787.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.65 : 4,561.11 = 1,191.60 : x
  2. Step 2: Convert to fraction form
    3,040.65/4,561.11 = 1,191.60/x
  3. Step 3: Cross multiply
    3,040.65x = 4,561.11 × 1,191.60
  4. Step 4: Simplify right side
    3,040.65x = 5,435,018.68
  5. Step 5: Solve for x
    x = 5,435,018.68/3,040.65
  6. Step 6: Final answer
    x = 1,787.45

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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.