Home / 5,053.62-6,973.98-2,815.47

Finding the Fourth Proportional to 5,053.62, 6,973.98 and 2,815.47

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Solution

The fourth proportional to 5,053.62, 6,973.98 and 2,815.47 is: 3,885.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053.62 : 6,973.98 = 2,815.47 : x
  2. Step 2: Convert to fraction form
    5,053.62/6,973.98 = 2,815.47/x
  3. Step 3: Cross multiply
    5,053.62x = 6,973.98 × 2,815.47
  4. Step 4: Simplify right side
    5,053.62x = 19,635,031.47
  5. Step 5: Solve for x
    x = 19,635,031.47/5,053.62
  6. Step 6: Final answer
    x = 3,885.34

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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.