Home / 5,874.64-8,106.80-3,515.44

Finding the Fourth Proportional to 5,874.64, 8,106.80 and 3,515.44

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Solution

The fourth proportional to 5,874.64, 8,106.80 and 3,515.44 is: 4,851.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,874.64 : 8,106.80 = 3,515.44 : x
  2. Step 2: Convert to fraction form
    5,874.64/8,106.80 = 3,515.44/x
  3. Step 3: Cross multiply
    5,874.64x = 8,106.80 × 3,515.44
  4. Step 4: Simplify right side
    5,874.64x = 28,498,968.99
  5. Step 5: Solve for x
    x = 28,498,968.99/5,874.64
  6. Step 6: Final answer
    x = 4,851.19

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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.