Home / 1,873.23-2,583.96-1,173.39

Finding the Fourth Proportional to 1,873.23, 2,583.96 and 1,173.39

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Solution

The fourth proportional to 1,873.23, 2,583.96 and 1,173.39 is: 1,618.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873.23 : 2,583.96 = 1,173.39 : x
  2. Step 2: Convert to fraction form
    1,873.23/2,583.96 = 1,173.39/x
  3. Step 3: Cross multiply
    1,873.23x = 2,583.96 × 1,173.39
  4. Step 4: Simplify right side
    1,873.23x = 3,031,992.82
  5. Step 5: Solve for x
    x = 3,031,992.82/1,873.23
  6. Step 6: Final answer
    x = 1,618.59

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1.5x scale

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.