Home / 3,355.80-5,032.08-1,407.48

Finding the Fourth Proportional to 3,355.80, 5,032.08 and 1,407.48

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Solution

The fourth proportional to 3,355.80, 5,032.08 and 1,407.48 is: 2,110.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.80 : 5,032.08 = 1,407.48 : x
  2. Step 2: Convert to fraction form
    3,355.80/5,032.08 = 1,407.48/x
  3. Step 3: Cross multiply
    3,355.80x = 5,032.08 × 1,407.48
  4. Step 4: Simplify right side
    3,355.80x = 7,082,551.96
  5. Step 5: Solve for x
    x = 7,082,551.96/3,355.80
  6. Step 6: Final answer
    x = 2,110.54

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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.