Home / 7,378.14-10,181.70-4,234.08

Finding the Fourth Proportional to 7,378.14, 10,181.70 and 4,234.08

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Solution

The fourth proportional to 7,378.14, 10,181.70 and 4,234.08 is: 5,842.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.14 : 10,181.70 = 4,234.08 : x
  2. Step 2: Convert to fraction form
    7,378.14/10,181.70 = 4,234.08/x
  3. Step 3: Cross multiply
    7,378.14x = 10,181.70 × 4,234.08
  4. Step 4: Simplify right side
    7,378.14x = 43,110,132.34
  5. Step 5: Solve for x
    x = 43,110,132.34/7,378.14
  6. Step 6: Final answer
    x = 5,842.95

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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.