Home / 2,923.79-4,034.93-1,665.03

Finding the Fourth Proportional to 2,923.79, 4,034.93 and 1,665.03

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Solution

The fourth proportional to 2,923.79, 4,034.93 and 1,665.03 is: 2,297.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.79 : 4,034.93 = 1,665.03 : x
  2. Step 2: Convert to fraction form
    2,923.79/4,034.93 = 1,665.03/x
  3. Step 3: Cross multiply
    2,923.79x = 4,034.93 × 1,665.03
  4. Step 4: Simplify right side
    2,923.79x = 6,718,271.17
  5. Step 5: Solve for x
    x = 6,718,271.17/2,923.79
  6. Step 6: Final answer
    x = 2,297.80

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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.