Home / 5,053.70-6,973.88-2,815.56

Finding the Fourth Proportional to 5,053.70, 6,973.88 and 2,815.56

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Solution

The fourth proportional to 5,053.70, 6,973.88 and 2,815.56 is: 3,885.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053.70 : 6,973.88 = 2,815.56 : x
  2. Step 2: Convert to fraction form
    5,053.70/6,973.88 = 2,815.56/x
  3. Step 3: Cross multiply
    5,053.70x = 6,973.88 × 2,815.56
  4. Step 4: Simplify right side
    5,053.70x = 19,635,363.50
  5. Step 5: Solve for x
    x = 19,635,363.50/5,053.70
  6. Step 6: Final answer
    x = 3,885.35

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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.