Home / 5,284.18-7,292.05-3,161.22

Finding the Fourth Proportional to 5,284.18, 7,292.05 and 3,161.22

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Solution

The fourth proportional to 5,284.18, 7,292.05 and 3,161.22 is: 4,362.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.18 : 7,292.05 = 3,161.22 : x
  2. Step 2: Convert to fraction form
    5,284.18/7,292.05 = 3,161.22/x
  3. Step 3: Cross multiply
    5,284.18x = 7,292.05 × 3,161.22
  4. Step 4: Simplify right side
    5,284.18x = 23,051,774.30
  5. Step 5: Solve for x
    x = 23,051,774.30/5,284.18
  6. Step 6: Final answer
    x = 4,362.41

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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.