Home / 3,313.17-4,572.63-1,916.73

Finding the Fourth Proportional to 3,313.17, 4,572.63 and 1,916.73

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Solution

The fourth proportional to 3,313.17, 4,572.63 and 1,916.73 is: 2,645.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.17 : 4,572.63 = 1,916.73 : x
  2. Step 2: Convert to fraction form
    3,313.17/4,572.63 = 1,916.73/x
  3. Step 3: Cross multiply
    3,313.17x = 4,572.63 × 1,916.73
  4. Step 4: Simplify right side
    3,313.17x = 8,764,497.10
  5. Step 5: Solve for x
    x = 8,764,497.10/3,313.17
  6. Step 6: Final answer
    x = 2,645.35

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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.