Home / 5,415.92-8,119.02-4,497.38

Finding the Fourth Proportional to 5,415.92, 8,119.02 and 4,497.38

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Solution

The fourth proportional to 5,415.92, 8,119.02 and 4,497.38 is: 6,742.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.92 : 8,119.02 = 4,497.38 : x
  2. Step 2: Convert to fraction form
    5,415.92/8,119.02 = 4,497.38/x
  3. Step 3: Cross multiply
    5,415.92x = 8,119.02 × 4,497.38
  4. Step 4: Simplify right side
    5,415.92x = 36,514,318.17
  5. Step 5: Solve for x
    x = 36,514,318.17/5,415.92
  6. Step 6: Final answer
    x = 6,742.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.