Home / 2,953.14-4,419.45-2,085.90

Finding the Fourth Proportional to 2,953.14, 4,419.45 and 2,085.90

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Solution

The fourth proportional to 2,953.14, 4,419.45 and 2,085.90 is: 3,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.14 : 4,419.45 = 2,085.90 : x
  2. Step 2: Convert to fraction form
    2,953.14/4,419.45 = 2,085.90/x
  3. Step 3: Cross multiply
    2,953.14x = 4,419.45 × 2,085.90
  4. Step 4: Simplify right side
    2,953.14x = 9,218,530.76
  5. Step 5: Solve for x
    x = 9,218,530.76/2,953.14
  6. Step 6: Final answer
    x = 3,121.60

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Why These Related Problems?

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