Home / 2,853.10-3,937.27-1,611.10

Finding the Fourth Proportional to 2,853.10, 3,937.27 and 1,611.10

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Solution

The fourth proportional to 2,853.10, 3,937.27 and 1,611.10 is: 2,223.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.10 : 3,937.27 = 1,611.10 : x
  2. Step 2: Convert to fraction form
    2,853.10/3,937.27 = 1,611.10/x
  3. Step 3: Cross multiply
    2,853.10x = 3,937.27 × 1,611.10
  4. Step 4: Simplify right side
    2,853.10x = 6,343,321.83
  5. Step 5: Solve for x
    x = 6,343,321.83/2,853.10
  6. Step 6: Final answer
    x = 2,223.31

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Half scale
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Double scale
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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.