Home / 5,012.77-6,919.23-3,521.05

Finding the Fourth Proportional to 5,012.77, 6,919.23 and 3,521.05

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Solution

The fourth proportional to 5,012.77, 6,919.23 and 3,521.05 is: 4,860.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.77 : 6,919.23 = 3,521.05 : x
  2. Step 2: Convert to fraction form
    5,012.77/6,919.23 = 3,521.05/x
  3. Step 3: Cross multiply
    5,012.77x = 6,919.23 × 3,521.05
  4. Step 4: Simplify right side
    5,012.77x = 24,362,954.79
  5. Step 5: Solve for x
    x = 24,362,954.79/5,012.77
  6. Step 6: Final answer
    x = 4,860.18

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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.