Home / 5,533.88-7,638.36-3,646.85

Finding the Fourth Proportional to 5,533.88, 7,638.36 and 3,646.85

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Solution

The fourth proportional to 5,533.88, 7,638.36 and 3,646.85 is: 5,033.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,533.88 : 7,638.36 = 3,646.85 : x
  2. Step 2: Convert to fraction form
    5,533.88/7,638.36 = 3,646.85/x
  3. Step 3: Cross multiply
    5,533.88x = 7,638.36 × 3,646.85
  4. Step 4: Simplify right side
    5,533.88x = 27,855,953.17
  5. Step 5: Solve for x
    x = 27,855,953.17/5,533.88
  6. Step 6: Final answer
    x = 5,033.71

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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.