Home / 3,392.12-4,681.24-1,900.46

Finding the Fourth Proportional to 3,392.12, 4,681.24 and 1,900.46

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Solution

The fourth proportional to 3,392.12, 4,681.24 and 1,900.46 is: 2,622.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.12 : 4,681.24 = 1,900.46 : x
  2. Step 2: Convert to fraction form
    3,392.12/4,681.24 = 1,900.46/x
  3. Step 3: Cross multiply
    3,392.12x = 4,681.24 × 1,900.46
  4. Step 4: Simplify right side
    3,392.12x = 8,896,509.37
  5. Step 5: Solve for x
    x = 8,896,509.37/3,392.12
  6. Step 6: Final answer
    x = 2,622.70

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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.