Home / 1,858.41-2,564.53-1,111.92

Finding the Fourth Proportional to 1,858.41, 2,564.53 and 1,111.92

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Solution

The fourth proportional to 1,858.41, 2,564.53 and 1,111.92 is: 1,534.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858.41 : 2,564.53 = 1,111.92 : x
  2. Step 2: Convert to fraction form
    1,858.41/2,564.53 = 1,111.92/x
  3. Step 3: Cross multiply
    1,858.41x = 2,564.53 × 1,111.92
  4. Step 4: Simplify right side
    1,858.41x = 2,851,546.64
  5. Step 5: Solve for x
    x = 2,851,546.64/1,858.41
  6. Step 6: Final answer
    x = 1,534.41

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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.