Home / 6,479.22-9,728.55-3,709.02

Finding the Fourth Proportional to 6,479.22, 9,728.55 and 3,709.02

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Solution

The fourth proportional to 6,479.22, 9,728.55 and 3,709.02 is: 5,569.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,479.22 : 9,728.55 = 3,709.02 : x
  2. Step 2: Convert to fraction form
    6,479.22/9,728.55 = 3,709.02/x
  3. Step 3: Cross multiply
    6,479.22x = 9,728.55 × 3,709.02
  4. Step 4: Simplify right side
    6,479.22x = 36,083,386.52
  5. Step 5: Solve for x
    x = 36,083,386.52/6,479.22
  6. Step 6: Final answer
    x = 5,569.09

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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.