Home / 3,203.55-4,419.77-1,945.01

Finding the Fourth Proportional to 3,203.55, 4,419.77 and 1,945.01

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Solution

The fourth proportional to 3,203.55, 4,419.77 and 1,945.01 is: 2,683.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.55 : 4,419.77 = 1,945.01 : x
  2. Step 2: Convert to fraction form
    3,203.55/4,419.77 = 1,945.01/x
  3. Step 3: Cross multiply
    3,203.55x = 4,419.77 × 1,945.01
  4. Step 4: Simplify right side
    3,203.55x = 8,596,498.17
  5. Step 5: Solve for x
    x = 8,596,498.17/3,203.55
  6. Step 6: Final answer
    x = 2,683.43

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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.