Home / 5,305.81-7,958.68-1,357.06

Finding the Fourth Proportional to 5,305.81, 7,958.68 and 1,357.06

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Solution

The fourth proportional to 5,305.81, 7,958.68 and 1,357.06 is: 2,035.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305.81 : 7,958.68 = 1,357.06 : x
  2. Step 2: Convert to fraction form
    5,305.81/7,958.68 = 1,357.06/x
  3. Step 3: Cross multiply
    5,305.81x = 7,958.68 × 1,357.06
  4. Step 4: Simplify right side
    5,305.81x = 10,800,407.46
  5. Step 5: Solve for x
    x = 10,800,407.46/5,305.81
  6. Step 6: Final answer
    x = 2,035.58

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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.