Home / 6,521.23-9,782.39-2,079.53

Finding the Fourth Proportional to 6,521.23, 9,782.39 and 2,079.53

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Solution

The fourth proportional to 6,521.23, 9,782.39 and 2,079.53 is: 3,119.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,521.23 : 9,782.39 = 2,079.53 : x
  2. Step 2: Convert to fraction form
    6,521.23/9,782.39 = 2,079.53/x
  3. Step 3: Cross multiply
    6,521.23x = 9,782.39 × 2,079.53
  4. Step 4: Simplify right side
    6,521.23x = 20,342,772.59
  5. Step 5: Solve for x
    x = 20,342,772.59/6,521.23
  6. Step 6: Final answer
    x = 3,119.47

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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.