Home / 1,475.37-2,036.75-1,143.05

Finding the Fourth Proportional to 1,475.37, 2,036.75 and 1,143.05

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Solution

The fourth proportional to 1,475.37, 2,036.75 and 1,143.05 is: 1,577.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.37 : 2,036.75 = 1,143.05 : x
  2. Step 2: Convert to fraction form
    1,475.37/2,036.75 = 1,143.05/x
  3. Step 3: Cross multiply
    1,475.37x = 2,036.75 × 1,143.05
  4. Step 4: Simplify right side
    1,475.37x = 2,328,091.19
  5. Step 5: Solve for x
    x = 2,328,091.19/1,475.37
  6. Step 6: Final answer
    x = 1,577.97

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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.