Home / 7,114.24-9,818.58-3,971.08

Finding the Fourth Proportional to 7,114.24, 9,818.58 and 3,971.08

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Solution

The fourth proportional to 7,114.24, 9,818.58 and 3,971.08 is: 5,480.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,114.24 : 9,818.58 = 3,971.08 : x
  2. Step 2: Convert to fraction form
    7,114.24/9,818.58 = 3,971.08/x
  3. Step 3: Cross multiply
    7,114.24x = 9,818.58 × 3,971.08
  4. Step 4: Simplify right side
    7,114.24x = 38,990,366.67
  5. Step 5: Solve for x
    x = 38,990,366.67/7,114.24
  6. Step 6: Final answer
    x = 5,480.61

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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.