Home / 7,210.45-10,817.20-2,280.48

Finding the Fourth Proportional to 7,210.45, 10,817.20 and 2,280.48

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Solution

The fourth proportional to 7,210.45, 10,817.20 and 2,280.48 is: 3,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.45 : 10,817.20 = 2,280.48 : x
  2. Step 2: Convert to fraction form
    7,210.45/10,817.20 = 2,280.48/x
  3. Step 3: Cross multiply
    7,210.45x = 10,817.20 × 2,280.48
  4. Step 4: Simplify right side
    7,210.45x = 24,668,408.26
  5. Step 5: Solve for x
    x = 24,668,408.26/7,210.45
  6. Step 6: Final answer
    x = 3,421.20

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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.