Home / 1,858.93-2,564.87-1,113.19

Finding the Fourth Proportional to 1,858.93, 2,564.87 and 1,113.19

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Solution

The fourth proportional to 1,858.93, 2,564.87 and 1,113.19 is: 1,535.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858.93 : 2,564.87 = 1,113.19 : x
  2. Step 2: Convert to fraction form
    1,858.93/2,564.87 = 1,113.19/x
  3. Step 3: Cross multiply
    1,858.93x = 2,564.87 × 1,113.19
  4. Step 4: Simplify right side
    1,858.93x = 2,855,175.66
  5. Step 5: Solve for x
    x = 2,855,175.66/1,858.93
  6. Step 6: Final answer
    x = 1,535.93

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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.