Home / 3,348.32-4,620.50-1,856.15

Finding the Fourth Proportional to 3,348.32, 4,620.50 and 1,856.15

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Solution

The fourth proportional to 3,348.32, 4,620.50 and 1,856.15 is: 2,561.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.32 : 4,620.50 = 1,856.15 : x
  2. Step 2: Convert to fraction form
    3,348.32/4,620.50 = 1,856.15/x
  3. Step 3: Cross multiply
    3,348.32x = 4,620.50 × 1,856.15
  4. Step 4: Simplify right side
    3,348.32x = 8,576,357.27
  5. Step 5: Solve for x
    x = 8,576,357.27/3,348.32
  6. Step 6: Final answer
    x = 2,561.39

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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.