Home / 1,953.56-2,696.06-1,256.44

Finding the Fourth Proportional to 1,953.56, 2,696.06 and 1,256.44

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Solution

The fourth proportional to 1,953.56, 2,696.06 and 1,256.44 is: 1,733.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953.56 : 2,696.06 = 1,256.44 : x
  2. Step 2: Convert to fraction form
    1,953.56/2,696.06 = 1,256.44/x
  3. Step 3: Cross multiply
    1,953.56x = 2,696.06 × 1,256.44
  4. Step 4: Simplify right side
    1,953.56x = 3,387,437.63
  5. Step 5: Solve for x
    x = 3,387,437.63/1,953.56
  6. Step 6: Final answer
    x = 1,733.98

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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.