Home / 5,053.14-6,973.38-2,815.12

Finding the Fourth Proportional to 5,053.14, 6,973.38 and 2,815.12

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Solution

The fourth proportional to 5,053.14, 6,973.38 and 2,815.12 is: 3,884.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053.14 : 6,973.38 = 2,815.12 : x
  2. Step 2: Convert to fraction form
    5,053.14/6,973.38 = 2,815.12/x
  3. Step 3: Cross multiply
    5,053.14x = 6,973.38 × 2,815.12
  4. Step 4: Simplify right side
    5,053.14x = 19,630,901.51
  5. Step 5: Solve for x
    x = 19,630,901.51/5,053.14
  6. Step 6: Final answer
    x = 3,884.89

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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.