Home / 5,612.21-8,418.01-1,716.32

Finding the Fourth Proportional to 5,612.21, 8,418.01 and 1,716.32

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Solution

The fourth proportional to 5,612.21, 8,418.01 and 1,716.32 is: 2,574.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.21 : 8,418.01 = 1,716.32 : x
  2. Step 2: Convert to fraction form
    5,612.21/8,418.01 = 1,716.32/x
  3. Step 3: Cross multiply
    5,612.21x = 8,418.01 × 1,716.32
  4. Step 4: Simplify right side
    5,612.21x = 14,447,998.92
  5. Step 5: Solve for x
    x = 14,447,998.92/5,612.21
  6. Step 6: Final answer
    x = 2,574.39

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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.