Home / 2,087.37-2,880.92-1,589.07

Finding the Fourth Proportional to 2,087.37, 2,880.92 and 1,589.07

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Solution

The fourth proportional to 2,087.37, 2,880.92 and 1,589.07 is: 2,193.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087.37 : 2,880.92 = 1,589.07 : x
  2. Step 2: Convert to fraction form
    2,087.37/2,880.92 = 1,589.07/x
  3. Step 3: Cross multiply
    2,087.37x = 2,880.92 × 1,589.07
  4. Step 4: Simplify right side
    2,087.37x = 4,577,973.18
  5. Step 5: Solve for x
    x = 4,577,973.18/2,087.37
  6. Step 6: Final answer
    x = 2,193.18

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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.