Home / 2,958.16-4,410.39-2,881.20

Finding the Fourth Proportional to 2,958.16, 4,410.39 and 2,881.20

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Solution

The fourth proportional to 2,958.16, 4,410.39 and 2,881.20 is: 4,295.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.16 : 4,410.39 = 2,881.20 : x
  2. Step 2: Convert to fraction form
    2,958.16/4,410.39 = 2,881.20/x
  3. Step 3: Cross multiply
    2,958.16x = 4,410.39 × 2,881.20
  4. Step 4: Simplify right side
    2,958.16x = 12,707,215.67
  5. Step 5: Solve for x
    x = 12,707,215.67/2,958.16
  6. Step 6: Final answer
    x = 4,295.65

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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.