Home / 3,728.73-5,139.66-2,533.35

Finding the Fourth Proportional to 3,728.73, 5,139.66 and 2,533.35

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Solution

The fourth proportional to 3,728.73, 5,139.66 and 2,533.35 is: 3,491.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.73 : 5,139.66 = 2,533.35 : x
  2. Step 2: Convert to fraction form
    3,728.73/5,139.66 = 2,533.35/x
  3. Step 3: Cross multiply
    3,728.73x = 5,139.66 × 2,533.35
  4. Step 4: Simplify right side
    3,728.73x = 13,020,557.66
  5. Step 5: Solve for x
    x = 13,020,557.66/3,728.73
  6. Step 6: Final answer
    x = 3,491.96

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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.