Home / 5,175.03-7,140.60-2,936.19

Finding the Fourth Proportional to 5,175.03, 7,140.60 and 2,936.19

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Solution

The fourth proportional to 5,175.03, 7,140.60 and 2,936.19 is: 4,051.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.03 : 7,140.60 = 2,936.19 : x
  2. Step 2: Convert to fraction form
    5,175.03/7,140.60 = 2,936.19/x
  3. Step 3: Cross multiply
    5,175.03x = 7,140.60 × 2,936.19
  4. Step 4: Simplify right side
    5,175.03x = 20,966,158.31
  5. Step 5: Solve for x
    x = 20,966,158.31/5,175.03
  6. Step 6: Final answer
    x = 4,051.41

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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.