Home / 2,048.10-2,826.02-1,208.74

Finding the Fourth Proportional to 2,048.10, 2,826.02 and 1,208.74

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Solution

The fourth proportional to 2,048.10, 2,826.02 and 1,208.74 is: 1,667.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048.10 : 2,826.02 = 1,208.74 : x
  2. Step 2: Convert to fraction form
    2,048.10/2,826.02 = 1,208.74/x
  3. Step 3: Cross multiply
    2,048.10x = 2,826.02 × 1,208.74
  4. Step 4: Simplify right side
    2,048.10x = 3,415,923.41
  5. Step 5: Solve for x
    x = 3,415,923.41/2,048.10
  6. Step 6: Final answer
    x = 1,667.85

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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.