Home / 1,589.06-2,206.11-1,541.54

Finding the Fourth Proportional to 1,589.06, 2,206.11 and 1,541.54

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Solution

The fourth proportional to 1,589.06, 2,206.11 and 1,541.54 is: 2,140.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589.06 : 2,206.11 = 1,541.54 : x
  2. Step 2: Convert to fraction form
    1,589.06/2,206.11 = 1,541.54/x
  3. Step 3: Cross multiply
    1,589.06x = 2,206.11 × 1,541.54
  4. Step 4: Simplify right side
    1,589.06x = 3,400,806.81
  5. Step 5: Solve for x
    x = 3,400,806.81/1,589.06
  6. Step 6: Final answer
    x = 2,140.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.