Home / 1,879.14-2,816.53-1,011.63

Finding the Fourth Proportional to 1,879.14, 2,816.53 and 1,011.63

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Solution

The fourth proportional to 1,879.14, 2,816.53 and 1,011.63 is: 1,516.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879.14 : 2,816.53 = 1,011.63 : x
  2. Step 2: Convert to fraction form
    1,879.14/2,816.53 = 1,011.63/x
  3. Step 3: Cross multiply
    1,879.14x = 2,816.53 × 1,011.63
  4. Step 4: Simplify right side
    1,879.14x = 2,849,286.24
  5. Step 5: Solve for x
    x = 2,849,286.24/1,879.14
  6. Step 6: Final answer
    x = 1,516.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.