Home / 5,053.58-6,973.92-2,815.55

Finding the Fourth Proportional to 5,053.58, 6,973.92 and 2,815.55

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Solution

The fourth proportional to 5,053.58, 6,973.92 and 2,815.55 is: 3,885.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053.58 : 6,973.92 = 2,815.55 : x
  2. Step 2: Convert to fraction form
    5,053.58/6,973.92 = 2,815.55/x
  3. Step 3: Cross multiply
    5,053.58x = 6,973.92 × 2,815.55
  4. Step 4: Simplify right side
    5,053.58x = 19,635,385.59
  5. Step 5: Solve for x
    x = 19,635,385.59/5,053.58
  6. Step 6: Final answer
    x = 3,885.44

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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.