Home / 5,053.62-6,974.30-2,815.86

Finding the Fourth Proportional to 5,053.62, 6,974.30 and 2,815.86

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Solution

The fourth proportional to 5,053.62, 6,974.30 and 2,815.86 is: 3,886.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053.62 : 6,974.30 = 2,815.86 : x
  2. Step 2: Convert to fraction form
    5,053.62/6,974.30 = 2,815.86/x
  3. Step 3: Cross multiply
    5,053.62x = 6,974.30 × 2,815.86
  4. Step 4: Simplify right side
    5,053.62x = 19,638,652.40
  5. Step 5: Solve for x
    x = 19,638,652.40/5,053.62
  6. Step 6: Final answer
    x = 3,886.06

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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.