Home / 2,089.87-2,890.29-1,827.43

Finding the Fourth Proportional to 2,089.87, 2,890.29 and 1,827.43

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Solution

The fourth proportional to 2,089.87, 2,890.29 and 1,827.43 is: 2,527.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089.87 : 2,890.29 = 1,827.43 : x
  2. Step 2: Convert to fraction form
    2,089.87/2,890.29 = 1,827.43/x
  3. Step 3: Cross multiply
    2,089.87x = 2,890.29 × 1,827.43
  4. Step 4: Simplify right side
    2,089.87x = 5,281,802.65
  5. Step 5: Solve for x
    x = 5,281,802.65/2,089.87
  6. Step 6: Final answer
    x = 2,527.34

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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.