Home / 1,964.24-2,942.24-1,595.28

Finding the Fourth Proportional to 1,964.24, 2,942.24 and 1,595.28

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Solution

The fourth proportional to 1,964.24, 2,942.24 and 1,595.28 is: 2,389.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964.24 : 2,942.24 = 1,595.28 : x
  2. Step 2: Convert to fraction form
    1,964.24/2,942.24 = 1,595.28/x
  3. Step 3: Cross multiply
    1,964.24x = 2,942.24 × 1,595.28
  4. Step 4: Simplify right side
    1,964.24x = 4,693,688.65
  5. Step 5: Solve for x
    x = 4,693,688.65/1,964.24
  6. Step 6: Final answer
    x = 2,389.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.