Home / 2,923.26-4,035.50-1,728.45

Finding the Fourth Proportional to 2,923.26, 4,035.50 and 1,728.45

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Solution

The fourth proportional to 2,923.26, 4,035.50 and 1,728.45 is: 2,386.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.26 : 4,035.50 = 1,728.45 : x
  2. Step 2: Convert to fraction form
    2,923.26/4,035.50 = 1,728.45/x
  3. Step 3: Cross multiply
    2,923.26x = 4,035.50 × 1,728.45
  4. Step 4: Simplify right side
    2,923.26x = 6,975,159.98
  5. Step 5: Solve for x
    x = 6,975,159.98/2,923.26
  6. Step 6: Final answer
    x = 2,386.09

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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.