Home / 3,313.50-4,572.64-1,916.26

Finding the Fourth Proportional to 3,313.50, 4,572.64 and 1,916.26

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Solution

The fourth proportional to 3,313.50, 4,572.64 and 1,916.26 is: 2,644.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.50 : 4,572.64 = 1,916.26 : x
  2. Step 2: Convert to fraction form
    3,313.50/4,572.64 = 1,916.26/x
  3. Step 3: Cross multiply
    3,313.50x = 4,572.64 × 1,916.26
  4. Step 4: Simplify right side
    3,313.50x = 8,762,367.13
  5. Step 5: Solve for x
    x = 8,762,367.13/3,313.50
  6. Step 6: Final answer
    x = 2,644.44

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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.