Home / 5,628.35-7,767.13-3,110.53

Finding the Fourth Proportional to 5,628.35, 7,767.13 and 3,110.53

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Solution

The fourth proportional to 5,628.35, 7,767.13 and 3,110.53 is: 4,292.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.35 : 7,767.13 = 3,110.53 : x
  2. Step 2: Convert to fraction form
    5,628.35/7,767.13 = 3,110.53/x
  3. Step 3: Cross multiply
    5,628.35x = 7,767.13 × 3,110.53
  4. Step 4: Simplify right side
    5,628.35x = 24,159,890.88
  5. Step 5: Solve for x
    x = 24,159,890.88/5,628.35
  6. Step 6: Final answer
    x = 4,292.54

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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.