Home / 5,534.44-7,636.64-3,111.32

Finding the Fourth Proportional to 5,534.44, 7,636.64 and 3,111.32

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Solution

The fourth proportional to 5,534.44, 7,636.64 and 3,111.32 is: 4,293.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,534.44 : 7,636.64 = 3,111.32 : x
  2. Step 2: Convert to fraction form
    5,534.44/7,636.64 = 3,111.32/x
  3. Step 3: Cross multiply
    5,534.44x = 7,636.64 × 3,111.32
  4. Step 4: Simplify right side
    5,534.44x = 23,760,038.54
  5. Step 5: Solve for x
    x = 23,760,038.54/5,534.44
  6. Step 6: Final answer
    x = 4,293.13

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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.