Home / 7,021.10-10,543.80-3,740.60

Finding the Fourth Proportional to 7,021.10, 10,543.80 and 3,740.60

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Solution

The fourth proportional to 7,021.10, 10,543.80 and 3,740.60 is: 5,617.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.10 : 10,543.80 = 3,740.60 : x
  2. Step 2: Convert to fraction form
    7,021.10/10,543.80 = 3,740.60/x
  3. Step 3: Cross multiply
    7,021.10x = 10,543.80 × 3,740.60
  4. Step 4: Simplify right side
    7,021.10x = 39,440,138.28
  5. Step 5: Solve for x
    x = 39,440,138.28/7,021.10
  6. Step 6: Final answer
    x = 5,617.37

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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.