Home / 2,615.86-3,606.36-2,241.22

Finding the Fourth Proportional to 2,615.86, 3,606.36 and 2,241.22

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Solution

The fourth proportional to 2,615.86, 3,606.36 and 2,241.22 is: 3,089.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.86 : 3,606.36 = 2,241.22 : x
  2. Step 2: Convert to fraction form
    2,615.86/3,606.36 = 2,241.22/x
  3. Step 3: Cross multiply
    2,615.86x = 3,606.36 × 2,241.22
  4. Step 4: Simplify right side
    2,615.86x = 8,082,646.16
  5. Step 5: Solve for x
    x = 8,082,646.16/2,615.86
  6. Step 6: Final answer
    x = 3,089.86

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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.