Home / 3,051.38-4,210.88-1,725.35

Finding the Fourth Proportional to 3,051.38, 4,210.88 and 1,725.35

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Solution

The fourth proportional to 3,051.38, 4,210.88 and 1,725.35 is: 2,380.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.38 : 4,210.88 = 1,725.35 : x
  2. Step 2: Convert to fraction form
    3,051.38/4,210.88 = 1,725.35/x
  3. Step 3: Cross multiply
    3,051.38x = 4,210.88 × 1,725.35
  4. Step 4: Simplify right side
    3,051.38x = 7,265,212.13
  5. Step 5: Solve for x
    x = 7,265,212.13/3,051.38
  6. Step 6: Final answer
    x = 2,380.96

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Half 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.