Home / 2,745.48-4,118.40-1,013.52

Finding the Fourth Proportional to 2,745.48, 4,118.40 and 1,013.52

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Solution

The fourth proportional to 2,745.48, 4,118.40 and 1,013.52 is: 1,520.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.48 : 4,118.40 = 1,013.52 : x
  2. Step 2: Convert to fraction form
    2,745.48/4,118.40 = 1,013.52/x
  3. Step 3: Cross multiply
    2,745.48x = 4,118.40 × 1,013.52
  4. Step 4: Simplify right side
    2,745.48x = 4,174,080.77
  5. Step 5: Solve for x
    x = 4,174,080.77/2,745.48
  6. Step 6: Final answer
    x = 1,520.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.