Home / 5,302.13-7,317.90-3,413.39

Finding the Fourth Proportional to 5,302.13, 7,317.90 and 3,413.39

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Solution

The fourth proportional to 5,302.13, 7,317.90 and 3,413.39 is: 4,711.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,302.13 : 7,317.90 = 3,413.39 : x
  2. Step 2: Convert to fraction form
    5,302.13/7,317.90 = 3,413.39/x
  3. Step 3: Cross multiply
    5,302.13x = 7,317.90 × 3,413.39
  4. Step 4: Simplify right side
    5,302.13x = 24,978,810.09
  5. Step 5: Solve for x
    x = 24,978,810.09/5,302.13
  6. Step 6: Final answer
    x = 4,711.09

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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.