Home / 5,768.56-8,656.08-3,688.48

Finding the Fourth Proportional to 5,768.56, 8,656.08 and 3,688.48

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Solution

The fourth proportional to 5,768.56, 8,656.08 and 3,688.48 is: 5,534.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,768.56 : 8,656.08 = 3,688.48 : x
  2. Step 2: Convert to fraction form
    5,768.56/8,656.08 = 3,688.48/x
  3. Step 3: Cross multiply
    5,768.56x = 8,656.08 × 3,688.48
  4. Step 4: Simplify right side
    5,768.56x = 31,927,777.96
  5. Step 5: Solve for x
    x = 31,927,777.96/5,768.56
  6. Step 6: Final answer
    x = 5,534.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.