Home / 2,715.03-3,745.53-1,830.51

Finding the Fourth Proportional to 2,715.03, 3,745.53 and 1,830.51

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Solution

The fourth proportional to 2,715.03, 3,745.53 and 1,830.51 is: 2,525.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.03 : 3,745.53 = 1,830.51 : x
  2. Step 2: Convert to fraction form
    2,715.03/3,745.53 = 1,830.51/x
  3. Step 3: Cross multiply
    2,715.03x = 3,745.53 × 1,830.51
  4. Step 4: Simplify right side
    2,715.03x = 6,856,230.12
  5. Step 5: Solve for x
    x = 6,856,230.12/2,715.03
  6. Step 6: Final answer
    x = 2,525.29

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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.