Home / 5,101.79-7,653.96-1,814.94

Finding the Fourth Proportional to 5,101.79, 7,653.96 and 1,814.94

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Solution

The fourth proportional to 5,101.79, 7,653.96 and 1,814.94 is: 2,722.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.79 : 7,653.96 = 1,814.94 : x
  2. Step 2: Convert to fraction form
    5,101.79/7,653.96 = 1,814.94/x
  3. Step 3: Cross multiply
    5,101.79x = 7,653.96 × 1,814.94
  4. Step 4: Simplify right side
    5,101.79x = 13,891,478.16
  5. Step 5: Solve for x
    x = 13,891,478.16/5,101.79
  6. Step 6: Final answer
    x = 2,722.87

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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.