Home / 3,051.42-4,211.10-1,725.18

Finding the Fourth Proportional to 3,051.42, 4,211.10 and 1,725.18

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Solution

The fourth proportional to 3,051.42, 4,211.10 and 1,725.18 is: 2,380.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.42 : 4,211.10 = 1,725.18 : x
  2. Step 2: Convert to fraction form
    3,051.42/4,211.10 = 1,725.18/x
  3. Step 3: Cross multiply
    3,051.42x = 4,211.10 × 1,725.18
  4. Step 4: Simplify right side
    3,051.42x = 7,264,905.50
  5. Step 5: Solve for x
    x = 7,264,905.50/3,051.42
  6. Step 6: Final answer
    x = 2,380.83

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Half scale
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Double scale
Find fourth proportional to 3,052.42, 4,212.48 and 1,726.18
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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.