Home / 4,471.40-6,172.28-3,355.57

Finding the Fourth Proportional to 4,471.40, 6,172.28 and 3,355.57

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Solution

The fourth proportional to 4,471.40, 6,172.28 and 3,355.57 is: 4,632.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,471.40 : 6,172.28 = 3,355.57 : x
  2. Step 2: Convert to fraction form
    4,471.40/6,172.28 = 3,355.57/x
  3. Step 3: Cross multiply
    4,471.40x = 6,172.28 × 3,355.57
  4. Step 4: Simplify right side
    4,471.40x = 20,711,508.54
  5. Step 5: Solve for x
    x = 20,711,508.54/4,471.40
  6. Step 6: Final answer
    x = 4,632.00

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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.