Home / 4,288.43-5,918.32-2,400.18

Finding the Fourth Proportional to 4,288.43, 5,918.32 and 2,400.18

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Solution

The fourth proportional to 4,288.43, 5,918.32 and 2,400.18 is: 3,312.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.43 : 5,918.32 = 2,400.18 : x
  2. Step 2: Convert to fraction form
    4,288.43/5,918.32 = 2,400.18/x
  3. Step 3: Cross multiply
    4,288.43x = 5,918.32 × 2,400.18
  4. Step 4: Simplify right side
    4,288.43x = 14,205,033.30
  5. Step 5: Solve for x
    x = 14,205,033.30/4,288.43
  6. Step 6: Final answer
    x = 3,312.41

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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.