Home / 5,173.10-7,139.26-2,935.36

Finding the Fourth Proportional to 5,173.10, 7,139.26 and 2,935.36

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Solution

The fourth proportional to 5,173.10, 7,139.26 and 2,935.36 is: 4,051.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.10 : 7,139.26 = 2,935.36 : x
  2. Step 2: Convert to fraction form
    5,173.10/7,139.26 = 2,935.36/x
  3. Step 3: Cross multiply
    5,173.10x = 7,139.26 × 2,935.36
  4. Step 4: Simplify right side
    5,173.10x = 20,956,298.23
  5. Step 5: Solve for x
    x = 20,956,298.23/5,173.10
  6. Step 6: Final answer
    x = 4,051.01

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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.