Home / 6,479.98-9,720.12-2,320.27

Finding the Fourth Proportional to 6,479.98, 9,720.12 and 2,320.27

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Solution

The fourth proportional to 6,479.98, 9,720.12 and 2,320.27 is: 3,480.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,479.98 : 9,720.12 = 2,320.27 : x
  2. Step 2: Convert to fraction form
    6,479.98/9,720.12 = 2,320.27/x
  3. Step 3: Cross multiply
    6,479.98x = 9,720.12 × 2,320.27
  4. Step 4: Simplify right side
    6,479.98x = 22,553,302.83
  5. Step 5: Solve for x
    x = 22,553,302.83/6,479.98
  6. Step 6: Final answer
    x = 3,480.46

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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.