Home / 5,649.02-7,795.43-3,131.06

Finding the Fourth Proportional to 5,649.02, 7,795.43 and 3,131.06

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Solution

The fourth proportional to 5,649.02, 7,795.43 and 3,131.06 is: 4,320.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,649.02 : 7,795.43 = 3,131.06 : x
  2. Step 2: Convert to fraction form
    5,649.02/7,795.43 = 3,131.06/x
  3. Step 3: Cross multiply
    5,649.02x = 7,795.43 × 3,131.06
  4. Step 4: Simplify right side
    5,649.02x = 24,407,904.42
  5. Step 5: Solve for x
    x = 24,407,904.42/5,649.02
  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.