Home / 5,664.07-7,816.21-3,146.28

Finding the Fourth Proportional to 5,664.07, 7,816.21 and 3,146.28

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Solution

The fourth proportional to 5,664.07, 7,816.21 and 3,146.28 is: 4,341.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,664.07 : 7,816.21 = 3,146.28 : x
  2. Step 2: Convert to fraction form
    5,664.07/7,816.21 = 3,146.28/x
  3. Step 3: Cross multiply
    5,664.07x = 7,816.21 × 3,146.28
  4. Step 4: Simplify right side
    5,664.07x = 24,591,985.20
  5. Step 5: Solve for x
    x = 24,591,985.20/5,664.07
  6. Step 6: Final answer
    x = 4,341.75

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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.