Home / 3,030.60-4,181.14-1,983.26

Finding the Fourth Proportional to 3,030.60, 4,181.14 and 1,983.26

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Solution

The fourth proportional to 3,030.60, 4,181.14 and 1,983.26 is: 2,736.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.60 : 4,181.14 = 1,983.26 : x
  2. Step 2: Convert to fraction form
    3,030.60/4,181.14 = 1,983.26/x
  3. Step 3: Cross multiply
    3,030.60x = 4,181.14 × 1,983.26
  4. Step 4: Simplify right side
    3,030.60x = 8,292,287.72
  5. Step 5: Solve for x
    x = 8,292,287.72/3,030.60
  6. Step 6: Final answer
    x = 2,736.19

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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.