Home / 4,290.36-5,919.30-2,401.65

Finding the Fourth Proportional to 4,290.36, 5,919.30 and 2,401.65

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Solution

The fourth proportional to 4,290.36, 5,919.30 and 2,401.65 is: 3,313.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.36 : 5,919.30 = 2,401.65 : x
  2. Step 2: Convert to fraction form
    4,290.36/5,919.30 = 2,401.65/x
  3. Step 3: Cross multiply
    4,290.36x = 5,919.30 × 2,401.65
  4. Step 4: Simplify right side
    4,290.36x = 14,216,086.85
  5. Step 5: Solve for x
    x = 14,216,086.85/4,290.36
  6. Step 6: Final answer
    x = 3,313.50

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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.