Home / 5,718.21-7,892.69-3,361.11

Finding the Fourth Proportional to 5,718.21, 7,892.69 and 3,361.11

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Solution

The fourth proportional to 5,718.21, 7,892.69 and 3,361.11 is: 4,639.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718.21 : 7,892.69 = 3,361.11 : x
  2. Step 2: Convert to fraction form
    5,718.21/7,892.69 = 3,361.11/x
  3. Step 3: Cross multiply
    5,718.21x = 7,892.69 × 3,361.11
  4. Step 4: Simplify right side
    5,718.21x = 26,528,182.48
  5. Step 5: Solve for x
    x = 26,528,182.48/5,718.21
  6. Step 6: Final answer
    x = 4,639.25

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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.