Home / 7,028.62-9,701.51-4,640.33

Finding the Fourth Proportional to 7,028.62, 9,701.51 and 4,640.33

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Solution

The fourth proportional to 7,028.62, 9,701.51 and 4,640.33 is: 6,404.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028.62 : 9,701.51 = 4,640.33 : x
  2. Step 2: Convert to fraction form
    7,028.62/9,701.51 = 4,640.33/x
  3. Step 3: Cross multiply
    7,028.62x = 9,701.51 × 4,640.33
  4. Step 4: Simplify right side
    7,028.62x = 45,018,207.90
  5. Step 5: Solve for x
    x = 45,018,207.90/7,028.62
  6. Step 6: Final answer
    x = 6,404.99

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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.