Home / 5,311.63-7,326.21-4,095.82

Finding the Fourth Proportional to 5,311.63, 7,326.21 and 4,095.82

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Solution

The fourth proportional to 5,311.63, 7,326.21 and 4,095.82 is: 5,649.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.63 : 7,326.21 = 4,095.82 : x
  2. Step 2: Convert to fraction form
    5,311.63/7,326.21 = 4,095.82/x
  3. Step 3: Cross multiply
    5,311.63x = 7,326.21 × 4,095.82
  4. Step 4: Simplify right side
    5,311.63x = 30,006,837.44
  5. Step 5: Solve for x
    x = 30,006,837.44/5,311.63
  6. Step 6: Final answer
    x = 5,649.27

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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.