Home / 1,858.01-2,563.97-1,111.53

Finding the Fourth Proportional to 1,858.01, 2,563.97 and 1,111.53

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Solution

The fourth proportional to 1,858.01, 2,563.97 and 1,111.53 is: 1,533.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858.01 : 2,563.97 = 1,111.53 : x
  2. Step 2: Convert to fraction form
    1,858.01/2,563.97 = 1,111.53/x
  3. Step 3: Cross multiply
    1,858.01x = 2,563.97 × 1,111.53
  4. Step 4: Simplify right side
    1,858.01x = 2,849,924.02
  5. Step 5: Solve for x
    x = 2,849,924.02/1,858.01
  6. Step 6: Final answer
    x = 1,533.86

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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.