Home / 5,141.13-7,094.75-2,783.28

Finding the Fourth Proportional to 5,141.13, 7,094.75 and 2,783.28

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Solution

The fourth proportional to 5,141.13, 7,094.75 and 2,783.28 is: 3,840.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,141.13 : 7,094.75 = 2,783.28 : x
  2. Step 2: Convert to fraction form
    5,141.13/7,094.75 = 2,783.28/x
  3. Step 3: Cross multiply
    5,141.13x = 7,094.75 × 2,783.28
  4. Step 4: Simplify right side
    5,141.13x = 19,746,675.78
  5. Step 5: Solve for x
    x = 19,746,675.78/5,141.13
  6. Step 6: Final answer
    x = 3,840.92

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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.