Home / 5,717.65-7,889.41-3,360.25

Finding the Fourth Proportional to 5,717.65, 7,889.41 and 3,360.25

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Solution

The fourth proportional to 5,717.65, 7,889.41 and 3,360.25 is: 4,636.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717.65 : 7,889.41 = 3,360.25 : x
  2. Step 2: Convert to fraction form
    5,717.65/7,889.41 = 3,360.25/x
  3. Step 3: Cross multiply
    5,717.65x = 7,889.41 × 3,360.25
  4. Step 4: Simplify right side
    5,717.65x = 26,510,361.83
  5. Step 5: Solve for x
    x = 26,510,361.83/5,717.65
  6. Step 6: Final answer
    x = 4,636.58

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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.