Home / 1,936.09-2,889.95-1,663.93

Finding the Fourth Proportional to 1,936.09, 2,889.95 and 1,663.93

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Solution

The fourth proportional to 1,936.09, 2,889.95 and 1,663.93 is: 2,483.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.09 : 2,889.95 = 1,663.93 : x
  2. Step 2: Convert to fraction form
    1,936.09/2,889.95 = 1,663.93/x
  3. Step 3: Cross multiply
    1,936.09x = 2,889.95 × 1,663.93
  4. Step 4: Simplify right side
    1,936.09x = 4,808,674.50
  5. Step 5: Solve for x
    x = 4,808,674.50/1,936.09
  6. Step 6: Final answer
    x = 2,483.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.