Home / 1,873.93-2,585.91-1,128.13

Finding the Fourth Proportional to 1,873.93, 2,585.91 and 1,128.13

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Solution

The fourth proportional to 1,873.93, 2,585.91 and 1,128.13 is: 1,556.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873.93 : 2,585.91 = 1,128.13 : x
  2. Step 2: Convert to fraction form
    1,873.93/2,585.91 = 1,128.13/x
  3. Step 3: Cross multiply
    1,873.93x = 2,585.91 × 1,128.13
  4. Step 4: Simplify right side
    1,873.93x = 2,917,242.65
  5. Step 5: Solve for x
    x = 2,917,242.65/1,873.93
  6. Step 6: Final answer
    x = 1,556.75

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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.