Home / 2,974.67-4,442.47-2,390.56

Finding the Fourth Proportional to 2,974.67, 4,442.47 and 2,390.56

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Solution

The fourth proportional to 2,974.67, 4,442.47 and 2,390.56 is: 3,570.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.67 : 4,442.47 = 2,390.56 : x
  2. Step 2: Convert to fraction form
    2,974.67/4,442.47 = 2,390.56/x
  3. Step 3: Cross multiply
    2,974.67x = 4,442.47 × 2,390.56
  4. Step 4: Simplify right side
    2,974.67x = 10,619,974.00
  5. Step 5: Solve for x
    x = 10,619,974.00/2,974.67
  6. Step 6: Final answer
    x = 3,570.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.