Home / 1,935.39-2,913.42-1,667.46

Finding the Fourth Proportional to 1,935.39, 2,913.42 and 1,667.46

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Solution

The fourth proportional to 1,935.39, 2,913.42 and 1,667.46 is: 2,510.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.39 : 2,913.42 = 1,667.46 : x
  2. Step 2: Convert to fraction form
    1,935.39/2,913.42 = 1,667.46/x
  3. Step 3: Cross multiply
    1,935.39x = 2,913.42 × 1,667.46
  4. Step 4: Simplify right side
    1,935.39x = 4,858,011.31
  5. Step 5: Solve for x
    x = 4,858,011.31/1,935.39
  6. Step 6: Final answer
    x = 2,510.09

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.