Home / 2,040.06-2,815.23-1,155.84

Finding the Fourth Proportional to 2,040.06, 2,815.23 and 1,155.84

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Solution

The fourth proportional to 2,040.06, 2,815.23 and 1,155.84 is: 1,595.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.06 : 2,815.23 = 1,155.84 : x
  2. Step 2: Convert to fraction form
    2,040.06/2,815.23 = 1,155.84/x
  3. Step 3: Cross multiply
    2,040.06x = 2,815.23 × 1,155.84
  4. Step 4: Simplify right side
    2,040.06x = 3,253,955.44
  5. Step 5: Solve for x
    x = 3,253,955.44/2,040.06
  6. Step 6: Final answer
    x = 1,595.03

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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.