Home / 1,735.12-2,603.04-1,329.40

Finding the Fourth Proportional to 1,735.12, 2,603.04 and 1,329.40

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Solution

The fourth proportional to 1,735.12, 2,603.04 and 1,329.40 is: 1,994.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,735.12 : 2,603.04 = 1,329.40 : x
  2. Step 2: Convert to fraction form
    1,735.12/2,603.04 = 1,329.40/x
  3. Step 3: Cross multiply
    1,735.12x = 2,603.04 × 1,329.40
  4. Step 4: Simplify right side
    1,735.12x = 3,460,481.38
  5. Step 5: Solve for x
    x = 3,460,481.38/1,735.12
  6. Step 6: Final answer
    x = 1,994.38

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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.