Home / 5,116.47-7,060.44-2,878.44

Finding the Fourth Proportional to 5,116.47, 7,060.44 and 2,878.44

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Solution

The fourth proportional to 5,116.47, 7,060.44 and 2,878.44 is: 3,972.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.47 : 7,060.44 = 2,878.44 : x
  2. Step 2: Convert to fraction form
    5,116.47/7,060.44 = 2,878.44/x
  3. Step 3: Cross multiply
    5,116.47x = 7,060.44 × 2,878.44
  4. Step 4: Simplify right side
    5,116.47x = 20,323,052.91
  5. Step 5: Solve for x
    x = 20,323,052.91/5,116.47
  6. Step 6: Final answer
    x = 3,972.08

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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.