Home / 5,649.01-7,795.42-3,131.06

Finding the Fourth Proportional to 5,649.01, 7,795.42 and 3,131.06

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Solution

The fourth proportional to 5,649.01, 7,795.42 and 3,131.06 is: 4,320.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,649.01 : 7,795.42 = 3,131.06 : x
  2. Step 2: Convert to fraction form
    5,649.01/7,795.42 = 3,131.06/x
  3. Step 3: Cross multiply
    5,649.01x = 7,795.42 × 3,131.06
  4. Step 4: Simplify right side
    5,649.01x = 24,407,927.75
  5. Step 5: Solve for x
    x = 24,407,927.75/5,649.01
  6. Step 6: Final answer
    x = 4,320.74

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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.