Home / 5,076.45-7,603.91-3,315.23

Finding the Fourth Proportional to 5,076.45, 7,603.91 and 3,315.23

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Solution

The fourth proportional to 5,076.45, 7,603.91 and 3,315.23 is: 4,965.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.45 : 7,603.91 = 3,315.23 : x
  2. Step 2: Convert to fraction form
    5,076.45/7,603.91 = 3,315.23/x
  3. Step 3: Cross multiply
    5,076.45x = 7,603.91 × 3,315.23
  4. Step 4: Simplify right side
    5,076.45x = 25,208,710.55
  5. Step 5: Solve for x
    x = 25,208,710.55/5,076.45
  6. Step 6: Final answer
    x = 4,965.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.