Home / 4,288.87-5,918.74-2,400.44

Finding the Fourth Proportional to 4,288.87, 5,918.74 and 2,400.44

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Solution

The fourth proportional to 4,288.87, 5,918.74 and 2,400.44 is: 3,312.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.87 : 5,918.74 = 2,400.44 : x
  2. Step 2: Convert to fraction form
    4,288.87/5,918.74 = 2,400.44/x
  3. Step 3: Cross multiply
    4,288.87x = 5,918.74 × 2,400.44
  4. Step 4: Simplify right side
    4,288.87x = 14,207,550.65
  5. Step 5: Solve for x
    x = 14,207,550.65/4,288.87
  6. Step 6: Final answer
    x = 3,312.66

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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.