Home / 5,057.01-6,977.99-2,818.62

Finding the Fourth Proportional to 5,057.01, 6,977.99 and 2,818.62

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Solution

The fourth proportional to 5,057.01, 6,977.99 and 2,818.62 is: 3,889.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057.01 : 6,977.99 = 2,818.62 : x
  2. Step 2: Convert to fraction form
    5,057.01/6,977.99 = 2,818.62/x
  3. Step 3: Cross multiply
    5,057.01x = 6,977.99 × 2,818.62
  4. Step 4: Simplify right side
    5,057.01x = 19,668,288.08
  5. Step 5: Solve for x
    x = 19,668,288.08/5,057.01
  6. Step 6: Final answer
    x = 3,889.31

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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.