Home / 5,053.53-6,974.38-2,815.77

Finding the Fourth Proportional to 5,053.53, 6,974.38 and 2,815.77

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Solution

The fourth proportional to 5,053.53, 6,974.38 and 2,815.77 is: 3,886.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053.53 : 6,974.38 = 2,815.77 : x
  2. Step 2: Convert to fraction form
    5,053.53/6,974.38 = 2,815.77/x
  3. Step 3: Cross multiply
    5,053.53x = 6,974.38 × 2,815.77
  4. Step 4: Simplify right side
    5,053.53x = 19,638,208.06
  5. Step 5: Solve for x
    x = 19,638,208.06/5,053.53
  6. Step 6: Final answer
    x = 3,886.04

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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.