Home / 3,798.23-5,241.38-2,803.15

Finding the Fourth Proportional to 3,798.23, 5,241.38 and 2,803.15

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Solution

The fourth proportional to 3,798.23, 5,241.38 and 2,803.15 is: 3,868.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,798.23 : 5,241.38 = 2,803.15 : x
  2. Step 2: Convert to fraction form
    3,798.23/5,241.38 = 2,803.15/x
  3. Step 3: Cross multiply
    3,798.23x = 5,241.38 × 2,803.15
  4. Step 4: Simplify right side
    3,798.23x = 14,692,368.25
  5. Step 5: Solve for x
    x = 14,692,368.25/3,798.23
  6. Step 6: Final answer
    x = 3,868.21

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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.