Home / 6,255.50-8,631.84-3,603.77

Finding the Fourth Proportional to 6,255.50, 8,631.84 and 3,603.77

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Solution

The fourth proportional to 6,255.50, 8,631.84 and 3,603.77 is: 4,972.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,255.50 : 8,631.84 = 3,603.77 : x
  2. Step 2: Convert to fraction form
    6,255.50/8,631.84 = 3,603.77/x
  3. Step 3: Cross multiply
    6,255.50x = 8,631.84 × 3,603.77
  4. Step 4: Simplify right side
    6,255.50x = 31,107,166.04
  5. Step 5: Solve for x
    x = 31,107,166.04/6,255.50
  6. Step 6: Final answer
    x = 4,972.77

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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.