Home / 2,958.40-4,410.77-2,881.45

Finding the Fourth Proportional to 2,958.40, 4,410.77 and 2,881.45

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Solution

The fourth proportional to 2,958.40, 4,410.77 and 2,881.45 is: 4,296.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.40 : 4,410.77 = 2,881.45 : x
  2. Step 2: Convert to fraction form
    2,958.40/4,410.77 = 2,881.45/x
  3. Step 3: Cross multiply
    2,958.40x = 4,410.77 × 2,881.45
  4. Step 4: Simplify right side
    2,958.40x = 12,709,413.22
  5. Step 5: Solve for x
    x = 12,709,413.22/2,958.40
  6. Step 6: Final answer
    x = 4,296.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.