Home / 5,535.39-7,638.33-3,177.39

Finding the Fourth Proportional to 5,535.39, 7,638.33 and 3,177.39

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Solution

The fourth proportional to 5,535.39, 7,638.33 and 3,177.39 is: 4,384.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,535.39 : 7,638.33 = 3,177.39 : x
  2. Step 2: Convert to fraction form
    5,535.39/7,638.33 = 3,177.39/x
  3. Step 3: Cross multiply
    5,535.39x = 7,638.33 × 3,177.39
  4. Step 4: Simplify right side
    5,535.39x = 24,269,953.36
  5. Step 5: Solve for x
    x = 24,269,953.36/5,535.39
  6. Step 6: Final answer
    x = 4,384.51

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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.