Home / 3,500.08-4,829.76-2,155.48

Finding the Fourth Proportional to 3,500.08, 4,829.76 and 2,155.48

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Solution

The fourth proportional to 3,500.08, 4,829.76 and 2,155.48 is: 2,974.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500.08 : 4,829.76 = 2,155.48 : x
  2. Step 2: Convert to fraction form
    3,500.08/4,829.76 = 2,155.48/x
  3. Step 3: Cross multiply
    3,500.08x = 4,829.76 × 2,155.48
  4. Step 4: Simplify right side
    3,500.08x = 10,410,439.01
  5. Step 5: Solve for x
    x = 10,410,439.01/3,500.08
  6. Step 6: Final answer
    x = 2,974.35

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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.