Home / 2,317.90-3,477.56-674.46

Finding the Fourth Proportional to 2,317.90, 3,477.56 and 674.46

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Solution

The fourth proportional to 2,317.90, 3,477.56 and 674.46 is: 1,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.90 : 3,477.56 = 674.46 : x
  2. Step 2: Convert to fraction form
    2,317.90/3,477.56 = 674.46/x
  3. Step 3: Cross multiply
    2,317.90x = 3,477.56 × 674.46
  4. Step 4: Simplify right side
    2,317.90x = 2,345,475.12
  5. Step 5: Solve for x
    x = 2,345,475.12/2,317.90
  6. Step 6: Final answer
    x = 1,011.90

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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.