Home / 4,191.12-5,783.86-2,302.75

Finding the Fourth Proportional to 4,191.12, 5,783.86 and 2,302.75

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Solution

The fourth proportional to 4,191.12, 5,783.86 and 2,302.75 is: 3,177.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.12 : 5,783.86 = 2,302.75 : x
  2. Step 2: Convert to fraction form
    4,191.12/5,783.86 = 2,302.75/x
  3. Step 3: Cross multiply
    4,191.12x = 5,783.86 × 2,302.75
  4. Step 4: Simplify right side
    4,191.12x = 13,318,792.32
  5. Step 5: Solve for x
    x = 13,318,792.32/4,191.12
  6. Step 6: Final answer
    x = 3,177.86

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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.