Home / 3,392.22-4,681.34-1,900.06

Finding the Fourth Proportional to 3,392.22, 4,681.34 and 1,900.06

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Solution

The fourth proportional to 3,392.22, 4,681.34 and 1,900.06 is: 2,622.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.22 : 4,681.34 = 1,900.06 : x
  2. Step 2: Convert to fraction form
    3,392.22/4,681.34 = 1,900.06/x
  3. Step 3: Cross multiply
    3,392.22x = 4,681.34 × 1,900.06
  4. Step 4: Simplify right side
    3,392.22x = 8,894,826.88
  5. Step 5: Solve for x
    x = 8,894,826.88/3,392.22
  6. Step 6: Final answer
    x = 2,622.13

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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.