Home / 4,091.32-5,646-2,228.32

Finding the Fourth Proportional to 4,091.32, 5,646 and 2,228.32

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Solution

The fourth proportional to 4,091.32, 5,646 and 2,228.32 is: 3,075.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,091.32 : 5,646 = 2,228.32 : x
  2. Step 2: Convert to fraction form
    4,091.32/5,646 = 2,228.32/x
  3. Step 3: Cross multiply
    4,091.32x = 5,646 × 2,228.32
  4. Step 4: Simplify right side
    4,091.32x = 12,581,094.72
  5. Step 5: Solve for x
    x = 12,581,094.72/4,091.32
  6. Step 6: Final answer
    x = 3,075.07

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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.