Home / 2,603.71-3,589.38-1,856.37

Finding the Fourth Proportional to 2,603.71, 3,589.38 and 1,856.37

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Solution

The fourth proportional to 2,603.71, 3,589.38 and 1,856.37 is: 2,559.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603.71 : 3,589.38 = 1,856.37 : x
  2. Step 2: Convert to fraction form
    2,603.71/3,589.38 = 1,856.37/x
  3. Step 3: Cross multiply
    2,603.71x = 3,589.38 × 1,856.37
  4. Step 4: Simplify right side
    2,603.71x = 6,663,217.35
  5. Step 5: Solve for x
    x = 6,663,217.35/2,603.71
  6. Step 6: Final answer
    x = 2,559.13

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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.