Home / 5,352.11-7,381.77-4,090.03

Finding the Fourth Proportional to 5,352.11, 7,381.77 and 4,090.03

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Solution

The fourth proportional to 5,352.11, 7,381.77 and 4,090.03 is: 5,641.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352.11 : 7,381.77 = 4,090.03 : x
  2. Step 2: Convert to fraction form
    5,352.11/7,381.77 = 4,090.03/x
  3. Step 3: Cross multiply
    5,352.11x = 7,381.77 × 4,090.03
  4. Step 4: Simplify right side
    5,352.11x = 30,191,660.75
  5. Step 5: Solve for x
    x = 30,191,660.75/5,352.11
  6. Step 6: Final answer
    x = 5,641.08

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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.