Home / 7,323.99-10,107.73-4,137.87

Finding the Fourth Proportional to 7,323.99, 10,107.73 and 4,137.87

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Solution

The fourth proportional to 7,323.99, 10,107.73 and 4,137.87 is: 5,710.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,323.99 : 10,107.73 = 4,137.87 : x
  2. Step 2: Convert to fraction form
    7,323.99/10,107.73 = 4,137.87/x
  3. Step 3: Cross multiply
    7,323.99x = 10,107.73 × 4,137.87
  4. Step 4: Simplify right side
    7,323.99x = 41,824,515.81
  5. Step 5: Solve for x
    x = 41,824,515.81/7,323.99
  6. Step 6: Final answer
    x = 5,710.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.