Home / 4,178.37-5,763.09-3,000.65

Finding the Fourth Proportional to 4,178.37, 5,763.09 and 3,000.65

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Solution

The fourth proportional to 4,178.37, 5,763.09 and 3,000.65 is: 4,138.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.37 : 5,763.09 = 3,000.65 : x
  2. Step 2: Convert to fraction form
    4,178.37/5,763.09 = 3,000.65/x
  3. Step 3: Cross multiply
    4,178.37x = 5,763.09 × 3,000.65
  4. Step 4: Simplify right side
    4,178.37x = 17,293,001.01
  5. Step 5: Solve for x
    x = 17,293,001.01/4,178.37
  6. Step 6: Final answer
    x = 4,138.70

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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.