Home / 2,038.51-3,055.02-1,112.68

Finding the Fourth Proportional to 2,038.51, 3,055.02 and 1,112.68

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Solution

The fourth proportional to 2,038.51, 3,055.02 and 1,112.68 is: 1,667.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.51 : 3,055.02 = 1,112.68 : x
  2. Step 2: Convert to fraction form
    2,038.51/3,055.02 = 1,112.68/x
  3. Step 3: Cross multiply
    2,038.51x = 3,055.02 × 1,112.68
  4. Step 4: Simplify right side
    2,038.51x = 3,399,259.65
  5. Step 5: Solve for x
    x = 3,399,259.65/2,038.51
  6. Step 6: Final answer
    x = 1,667.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.