Home / 1,655.49-2,481.08-1,264.06

Finding the Fourth Proportional to 1,655.49, 2,481.08 and 1,264.06

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Solution

The fourth proportional to 1,655.49, 2,481.08 and 1,264.06 is: 1,894.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655.49 : 2,481.08 = 1,264.06 : x
  2. Step 2: Convert to fraction form
    1,655.49/2,481.08 = 1,264.06/x
  3. Step 3: Cross multiply
    1,655.49x = 2,481.08 × 1,264.06
  4. Step 4: Simplify right side
    1,655.49x = 3,136,223.92
  5. Step 5: Solve for x
    x = 3,136,223.92/1,655.49
  6. Step 6: Final answer
    x = 1,894.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.