Home / 1,853.25-2,549.79-1,603.77

Finding the Fourth Proportional to 1,853.25, 2,549.79 and 1,603.77

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Solution

The fourth proportional to 1,853.25, 2,549.79 and 1,603.77 is: 2,206.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853.25 : 2,549.79 = 1,603.77 : x
  2. Step 2: Convert to fraction form
    1,853.25/2,549.79 = 1,603.77/x
  3. Step 3: Cross multiply
    1,853.25x = 2,549.79 × 1,603.77
  4. Step 4: Simplify right side
    1,853.25x = 4,089,276.71
  5. Step 5: Solve for x
    x = 4,089,276.71/1,853.25
  6. Step 6: Final answer
    x = 2,206.54

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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.