Home / 7,727.60-10,658.58-5,455.28

Finding the Fourth Proportional to 7,727.60, 10,658.58 and 5,455.28

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Solution

The fourth proportional to 7,727.60, 10,658.58 and 5,455.28 is: 7,524.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727.60 : 10,658.58 = 5,455.28 : x
  2. Step 2: Convert to fraction form
    7,727.60/10,658.58 = 5,455.28/x
  3. Step 3: Cross multiply
    7,727.60x = 10,658.58 × 5,455.28
  4. Step 4: Simplify right side
    7,727.60x = 58,145,538.30
  5. Step 5: Solve for x
    x = 58,145,538.30/7,727.60
  6. Step 6: Final answer
    x = 7,524.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.