Home / 5,548.18-7,655.55-3,558.34

Finding the Fourth Proportional to 5,548.18, 7,655.55 and 3,558.34

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Solution

The fourth proportional to 5,548.18, 7,655.55 and 3,558.34 is: 4,909.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,548.18 : 7,655.55 = 3,558.34 : x
  2. Step 2: Convert to fraction form
    5,548.18/7,655.55 = 3,558.34/x
  3. Step 3: Cross multiply
    5,548.18x = 7,655.55 × 3,558.34
  4. Step 4: Simplify right side
    5,548.18x = 27,241,049.79
  5. Step 5: Solve for x
    x = 27,241,049.79/5,548.18
  6. Step 6: Final answer
    x = 4,909.91

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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.