Home / 1,926.93-2,661.89-1,533.45

Finding the Fourth Proportional to 1,926.93, 2,661.89 and 1,533.45

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Solution

The fourth proportional to 1,926.93, 2,661.89 and 1,533.45 is: 2,118.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.93 : 2,661.89 = 1,533.45 : x
  2. Step 2: Convert to fraction form
    1,926.93/2,661.89 = 1,533.45/x
  3. Step 3: Cross multiply
    1,926.93x = 2,661.89 × 1,533.45
  4. Step 4: Simplify right side
    1,926.93x = 4,081,867.55
  5. Step 5: Solve for x
    x = 4,081,867.55/1,926.93
  6. Step 6: Final answer
    x = 2,118.33

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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.