Home / 4,921.34-6,790.32-2,796.35

Finding the Fourth Proportional to 4,921.34, 6,790.32 and 2,796.35

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Solution

The fourth proportional to 4,921.34, 6,790.32 and 2,796.35 is: 3,858.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.34 : 6,790.32 = 2,796.35 : x
  2. Step 2: Convert to fraction form
    4,921.34/6,790.32 = 2,796.35/x
  3. Step 3: Cross multiply
    4,921.34x = 6,790.32 × 2,796.35
  4. Step 4: Simplify right side
    4,921.34x = 18,988,111.33
  5. Step 5: Solve for x
    x = 18,988,111.33/4,921.34
  6. Step 6: Final answer
    x = 3,858.32

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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.