Home / 6,280.81-9,421.20-2,580.43

Finding the Fourth Proportional to 6,280.81, 9,421.20 and 2,580.43

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Solution

The fourth proportional to 6,280.81, 9,421.20 and 2,580.43 is: 3,870.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.81 : 9,421.20 = 2,580.43 : x
  2. Step 2: Convert to fraction form
    6,280.81/9,421.20 = 2,580.43/x
  3. Step 3: Cross multiply
    6,280.81x = 9,421.20 × 2,580.43
  4. Step 4: Simplify right side
    6,280.81x = 24,310,747.12
  5. Step 5: Solve for x
    x = 24,310,747.12/6,280.81
  6. Step 6: Final answer
    x = 3,870.64

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