Home / 5,005.64-6,907.38-2,881.34

Finding the Fourth Proportional to 5,005.64, 6,907.38 and 2,881.34

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Solution

The fourth proportional to 5,005.64, 6,907.38 and 2,881.34 is: 3,976.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.64 : 6,907.38 = 2,881.34 : x
  2. Step 2: Convert to fraction form
    5,005.64/6,907.38 = 2,881.34/x
  3. Step 3: Cross multiply
    5,005.64x = 6,907.38 × 2,881.34
  4. Step 4: Simplify right side
    5,005.64x = 19,902,510.29
  5. Step 5: Solve for x
    x = 19,902,510.29/5,005.64
  6. Step 6: Final answer
    x = 3,976.02

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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.