Home / 3,693.32-5,540.70-1,939.16

Finding the Fourth Proportional to 3,693.32, 5,540.70 and 1,939.16

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Solution

The fourth proportional to 3,693.32, 5,540.70 and 1,939.16 is: 2,909.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693.32 : 5,540.70 = 1,939.16 : x
  2. Step 2: Convert to fraction form
    3,693.32/5,540.70 = 1,939.16/x
  3. Step 3: Cross multiply
    3,693.32x = 5,540.70 × 1,939.16
  4. Step 4: Simplify right side
    3,693.32x = 10,744,303.81
  5. Step 5: Solve for x
    x = 10,744,303.81/3,693.32
  6. Step 6: Final answer
    x = 2,909.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.