Home / 1,595.96-2,202.40-933.20

Finding the Fourth Proportional to 1,595.96, 2,202.40 and 933.20

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Solution

The fourth proportional to 1,595.96, 2,202.40 and 933.20 is: 1,287.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.96 : 2,202.40 = 933.20 : x
  2. Step 2: Convert to fraction form
    1,595.96/2,202.40 = 933.20/x
  3. Step 3: Cross multiply
    1,595.96x = 2,202.40 × 933.20
  4. Step 4: Simplify right side
    1,595.96x = 2,055,279.68
  5. Step 5: Solve for x
    x = 2,055,279.68/1,595.96
  6. Step 6: Final answer
    x = 1,287.80

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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.