Home / 1,851.24-2,554.92-1,054.76

Finding the Fourth Proportional to 1,851.24, 2,554.92 and 1,054.76

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Solution

The fourth proportional to 1,851.24, 2,554.92 and 1,054.76 is: 1,455.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.24 : 2,554.92 = 1,054.76 : x
  2. Step 2: Convert to fraction form
    1,851.24/2,554.92 = 1,054.76/x
  3. Step 3: Cross multiply
    1,851.24x = 2,554.92 × 1,054.76
  4. Step 4: Simplify right side
    1,851.24x = 2,694,827.42
  5. Step 5: Solve for x
    x = 2,694,827.42/1,851.24
  6. Step 6: Final answer
    x = 1,455.69

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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.