Home / 4,150.08-5,715.36-3,821.76

Finding the Fourth Proportional to 4,150.08, 5,715.36 and 3,821.76

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Solution

The fourth proportional to 4,150.08, 5,715.36 and 3,821.76 is: 5,263.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,150.08 : 5,715.36 = 3,821.76 : x
  2. Step 2: Convert to fraction form
    4,150.08/5,715.36 = 3,821.76/x
  3. Step 3: Cross multiply
    4,150.08x = 5,715.36 × 3,821.76
  4. Step 4: Simplify right side
    4,150.08x = 21,842,734.23
  5. Step 5: Solve for x
    x = 21,842,734.23/4,150.08
  6. Step 6: Final answer
    x = 5,263.21

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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.