Home / 3,342.61-4,611.34-2,015.56

Finding the Fourth Proportional to 3,342.61, 4,611.34 and 2,015.56

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Solution

The fourth proportional to 3,342.61, 4,611.34 and 2,015.56 is: 2,780.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.61 : 4,611.34 = 2,015.56 : x
  2. Step 2: Convert to fraction form
    3,342.61/4,611.34 = 2,015.56/x
  3. Step 3: Cross multiply
    3,342.61x = 4,611.34 × 2,015.56
  4. Step 4: Simplify right side
    3,342.61x = 9,294,432.45
  5. Step 5: Solve for x
    x = 9,294,432.45/3,342.61
  6. Step 6: Final answer
    x = 2,780.59

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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.