Home / 4,822.13-6,660-3,247.49

Finding the Fourth Proportional to 4,822.13, 6,660 and 3,247.49

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Solution

The fourth proportional to 4,822.13, 6,660 and 3,247.49 is: 4,485.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,822.13 : 6,660 = 3,247.49 : x
  2. Step 2: Convert to fraction form
    4,822.13/6,660 = 3,247.49/x
  3. Step 3: Cross multiply
    4,822.13x = 6,660 × 3,247.49
  4. Step 4: Simplify right side
    4,822.13x = 21,628,250.10
  5. Step 5: Solve for x
    x = 21,628,250.10/4,822.13
  6. Step 6: Final answer
    x = 4,485.21

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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.