Home / 5,233.44-7,222.15-2,875.60

Finding the Fourth Proportional to 5,233.44, 7,222.15 and 2,875.60

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Solution

The fourth proportional to 5,233.44, 7,222.15 and 2,875.60 is: 3,968.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,233.44 : 7,222.15 = 2,875.60 : x
  2. Step 2: Convert to fraction form
    5,233.44/7,222.15 = 2,875.60/x
  3. Step 3: Cross multiply
    5,233.44x = 7,222.15 × 2,875.60
  4. Step 4: Simplify right side
    5,233.44x = 20,767,964.05
  5. Step 5: Solve for x
    x = 20,767,964.05/5,233.44
  6. Step 6: Final answer
    x = 3,968.32

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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.