Home / 2,853.32-3,937.58-1,611.32

Finding the Fourth Proportional to 2,853.32, 3,937.58 and 1,611.32

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Solution

The fourth proportional to 2,853.32, 3,937.58 and 1,611.32 is: 2,223.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.32 : 3,937.58 = 1,611.32 : x
  2. Step 2: Convert to fraction form
    2,853.32/3,937.58 = 1,611.32/x
  3. Step 3: Cross multiply
    2,853.32x = 3,937.58 × 1,611.32
  4. Step 4: Simplify right side
    2,853.32x = 6,344,701.41
  5. Step 5: Solve for x
    x = 6,344,701.41/2,853.32
  6. Step 6: Final answer
    x = 2,223.62

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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.