Home / 2,421.14-3,340.71-1,373.18

Finding the Fourth Proportional to 2,421.14, 3,340.71 and 1,373.18

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Solution

The fourth proportional to 2,421.14, 3,340.71 and 1,373.18 is: 1,894.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.14 : 3,340.71 = 1,373.18 : x
  2. Step 2: Convert to fraction form
    2,421.14/3,340.71 = 1,373.18/x
  3. Step 3: Cross multiply
    2,421.14x = 3,340.71 × 1,373.18
  4. Step 4: Simplify right side
    2,421.14x = 4,587,379.45
  5. Step 5: Solve for x
    x = 4,587,379.45/2,421.14
  6. Step 6: Final answer
    x = 1,894.72

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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.