Home / 3,219.95-4,444.11-1,893.74

Finding the Fourth Proportional to 3,219.95, 4,444.11 and 1,893.74

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Solution

The fourth proportional to 3,219.95, 4,444.11 and 1,893.74 is: 2,613.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.95 : 4,444.11 = 1,893.74 : x
  2. Step 2: Convert to fraction form
    3,219.95/4,444.11 = 1,893.74/x
  3. Step 3: Cross multiply
    3,219.95x = 4,444.11 × 1,893.74
  4. Step 4: Simplify right side
    3,219.95x = 8,415,966.65
  5. Step 5: Solve for x
    x = 8,415,966.65/3,219.95
  6. Step 6: Final answer
    x = 2,613.70

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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.