Home / 7,376.50-10,179.81-4,189.93

Finding the Fourth Proportional to 7,376.50, 10,179.81 and 4,189.93

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Solution

The fourth proportional to 7,376.50, 10,179.81 and 4,189.93 is: 5,782.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,376.50 : 10,179.81 = 4,189.93 : x
  2. Step 2: Convert to fraction form
    7,376.50/10,179.81 = 4,189.93/x
  3. Step 3: Cross multiply
    7,376.50x = 10,179.81 × 4,189.93
  4. Step 4: Simplify right side
    7,376.50x = 42,652,691.31
  5. Step 5: Solve for x
    x = 42,652,691.31/7,376.50
  6. Step 6: Final answer
    x = 5,782.24

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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.