Home / 3,165.55-4,368.43-1,749.27

Finding the Fourth Proportional to 3,165.55, 4,368.43 and 1,749.27

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Solution

The fourth proportional to 3,165.55, 4,368.43 and 1,749.27 is: 2,413.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.55 : 4,368.43 = 1,749.27 : x
  2. Step 2: Convert to fraction form
    3,165.55/4,368.43 = 1,749.27/x
  3. Step 3: Cross multiply
    3,165.55x = 4,368.43 × 1,749.27
  4. Step 4: Simplify right side
    3,165.55x = 7,641,563.55
  5. Step 5: Solve for x
    x = 7,641,563.55/3,165.55
  6. Step 6: Final answer
    x = 2,413.98

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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.