Home / 5,175.07-7,141.53-2,817.16

Finding the Fourth Proportional to 5,175.07, 7,141.53 and 2,817.16

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Solution

The fourth proportional to 5,175.07, 7,141.53 and 2,817.16 is: 3,887.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.07 : 7,141.53 = 2,817.16 : x
  2. Step 2: Convert to fraction form
    5,175.07/7,141.53 = 2,817.16/x
  3. Step 3: Cross multiply
    5,175.07x = 7,141.53 × 2,817.16
  4. Step 4: Simplify right side
    5,175.07x = 20,118,832.65
  5. Step 5: Solve for x
    x = 20,118,832.65/5,175.07
  6. Step 6: Final answer
    x = 3,887.64

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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.