Home / 5,604.85-8,400.07-2,320.21

Finding the Fourth Proportional to 5,604.85, 8,400.07 and 2,320.21

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Solution

The fourth proportional to 5,604.85, 8,400.07 and 2,320.21 is: 3,477.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,604.85 : 8,400.07 = 2,320.21 : x
  2. Step 2: Convert to fraction form
    5,604.85/8,400.07 = 2,320.21/x
  3. Step 3: Cross multiply
    5,604.85x = 8,400.07 × 2,320.21
  4. Step 4: Simplify right side
    5,604.85x = 19,489,926.41
  5. Step 5: Solve for x
    x = 19,489,926.41/5,604.85
  6. Step 6: Final answer
    x = 3,477.33

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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.