Home / 5,724.12-7,899.48-3,600.36

Finding the Fourth Proportional to 5,724.12, 7,899.48 and 3,600.36

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Solution

The fourth proportional to 5,724.12, 7,899.48 and 3,600.36 is: 4,968.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,724.12 : 7,899.48 = 3,600.36 : x
  2. Step 2: Convert to fraction form
    5,724.12/7,899.48 = 3,600.36/x
  3. Step 3: Cross multiply
    5,724.12x = 7,899.48 × 3,600.36
  4. Step 4: Simplify right side
    5,724.12x = 28,440,971.81
  5. Step 5: Solve for x
    x = 28,440,971.81/5,724.12
  6. Step 6: Final answer
    x = 4,968.62

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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.