Home / 5,361.16-7,388.36-3,866.52

Finding the Fourth Proportional to 5,361.16, 7,388.36 and 3,866.52

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Solution

The fourth proportional to 5,361.16, 7,388.36 and 3,866.52 is: 5,328.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.16 : 7,388.36 = 3,866.52 : x
  2. Step 2: Convert to fraction form
    5,361.16/7,388.36 = 3,866.52/x
  3. Step 3: Cross multiply
    5,361.16x = 7,388.36 × 3,866.52
  4. Step 4: Simplify right side
    5,361.16x = 28,567,241.71
  5. Step 5: Solve for x
    x = 28,567,241.71/5,361.16
  6. Step 6: Final answer
    x = 5,328.56

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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.