Home / 4,813.75-7,223.51-2,077.75

Finding the Fourth Proportional to 4,813.75, 7,223.51 and 2,077.75

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Solution

The fourth proportional to 4,813.75, 7,223.51 and 2,077.75 is: 3,117.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.75 : 7,223.51 = 2,077.75 : x
  2. Step 2: Convert to fraction form
    4,813.75/7,223.51 = 2,077.75/x
  3. Step 3: Cross multiply
    4,813.75x = 7,223.51 × 2,077.75
  4. Step 4: Simplify right side
    4,813.75x = 15,008,647.90
  5. Step 5: Solve for x
    x = 15,008,647.90/4,813.75
  6. Step 6: Final answer
    x = 3,117.87

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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.