Home / 5,535.77-7,638.98-3,113.49

Finding the Fourth Proportional to 5,535.77, 7,638.98 and 3,113.49

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Solution

The fourth proportional to 5,535.77, 7,638.98 and 3,113.49 is: 4,296.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,535.77 : 7,638.98 = 3,113.49 : x
  2. Step 2: Convert to fraction form
    5,535.77/7,638.98 = 3,113.49/x
  3. Step 3: Cross multiply
    5,535.77x = 7,638.98 × 3,113.49
  4. Step 4: Simplify right side
    5,535.77x = 23,783,900.92
  5. Step 5: Solve for x
    x = 23,783,900.92/5,535.77
  6. Step 6: Final answer
    x = 4,296.41

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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.