Home / 5,929.01-8,178.61-3,803.79

Finding the Fourth Proportional to 5,929.01, 8,178.61 and 3,803.79

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Solution

The fourth proportional to 5,929.01, 8,178.61 and 3,803.79 is: 5,247.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,929.01 : 8,178.61 = 3,803.79 : x
  2. Step 2: Convert to fraction form
    5,929.01/8,178.61 = 3,803.79/x
  3. Step 3: Cross multiply
    5,929.01x = 8,178.61 × 3,803.79
  4. Step 4: Simplify right side
    5,929.01x = 31,109,714.93
  5. Step 5: Solve for x
    x = 31,109,714.93/5,929.01
  6. Step 6: Final answer
    x = 5,247.03

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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.