Home / 6,174.80-8,521.22-3,342.16

Finding the Fourth Proportional to 6,174.80, 8,521.22 and 3,342.16

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Solution

The fourth proportional to 6,174.80, 8,521.22 and 3,342.16 is: 4,612.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,174.80 : 8,521.22 = 3,342.16 : x
  2. Step 2: Convert to fraction form
    6,174.80/8,521.22 = 3,342.16/x
  3. Step 3: Cross multiply
    6,174.80x = 8,521.22 × 3,342.16
  4. Step 4: Simplify right side
    6,174.80x = 28,479,280.84
  5. Step 5: Solve for x
    x = 28,479,280.84/6,174.80
  6. Step 6: Final answer
    x = 4,612.18

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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.