Home / 5,742.67-7,924.76-3,190.26

Finding the Fourth Proportional to 5,742.67, 7,924.76 and 3,190.26

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Solution

The fourth proportional to 5,742.67, 7,924.76 and 3,190.26 is: 4,402.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,742.67 : 7,924.76 = 3,190.26 : x
  2. Step 2: Convert to fraction form
    5,742.67/7,924.76 = 3,190.26/x
  3. Step 3: Cross multiply
    5,742.67x = 7,924.76 × 3,190.26
  4. Step 4: Simplify right side
    5,742.67x = 25,282,044.84
  5. Step 5: Solve for x
    x = 25,282,044.84/5,742.67
  6. Step 6: Final answer
    x = 4,402.49

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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.