Home / 3,575.16-4,934.01-1,982.19

Finding the Fourth Proportional to 3,575.16, 4,934.01 and 1,982.19

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Solution

The fourth proportional to 3,575.16, 4,934.01 and 1,982.19 is: 2,735.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,575.16 : 4,934.01 = 1,982.19 : x
  2. Step 2: Convert to fraction form
    3,575.16/4,934.01 = 1,982.19/x
  3. Step 3: Cross multiply
    3,575.16x = 4,934.01 × 1,982.19
  4. Step 4: Simplify right side
    3,575.16x = 9,780,145.28
  5. Step 5: Solve for x
    x = 9,780,145.28/3,575.16
  6. Step 6: Final answer
    x = 2,735.58

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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.