Home / 5,107.14-7,687.67-4,355.46

Finding the Fourth Proportional to 5,107.14, 7,687.67 and 4,355.46

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Solution

The fourth proportional to 5,107.14, 7,687.67 and 4,355.46 is: 6,556.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107.14 : 7,687.67 = 4,355.46 : x
  2. Step 2: Convert to fraction form
    5,107.14/7,687.67 = 4,355.46/x
  3. Step 3: Cross multiply
    5,107.14x = 7,687.67 × 4,355.46
  4. Step 4: Simplify right side
    5,107.14x = 33,483,317.40
  5. Step 5: Solve for x
    x = 33,483,317.40/5,107.14
  6. Step 6: Final answer
    x = 6,556.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.