Home / 6,079.37-8,390.45-4,400.16

Finding the Fourth Proportional to 6,079.37, 8,390.45 and 4,400.16

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Solution

The fourth proportional to 6,079.37, 8,390.45 and 4,400.16 is: 6,072.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,079.37 : 8,390.45 = 4,400.16 : x
  2. Step 2: Convert to fraction form
    6,079.37/8,390.45 = 4,400.16/x
  3. Step 3: Cross multiply
    6,079.37x = 8,390.45 × 4,400.16
  4. Step 4: Simplify right side
    6,079.37x = 36,919,318.84
  5. Step 5: Solve for x
    x = 36,919,318.84/6,079.37
  6. Step 6: Final answer
    x = 6,072.89

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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.