Home / 1,924.30-2,655.54-1,040.11

Finding the Fourth Proportional to 1,924.30, 2,655.54 and 1,040.11

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Solution

The fourth proportional to 1,924.30, 2,655.54 and 1,040.11 is: 1,435.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.30 : 2,655.54 = 1,040.11 : x
  2. Step 2: Convert to fraction form
    1,924.30/2,655.54 = 1,040.11/x
  3. Step 3: Cross multiply
    1,924.30x = 2,655.54 × 1,040.11
  4. Step 4: Simplify right side
    1,924.30x = 2,762,053.71
  5. Step 5: Solve for x
    x = 2,762,053.71/1,924.30
  6. Step 6: Final answer
    x = 1,435.36

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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.