Home / 3,276.15-4,520.57-1,878.63

Finding the Fourth Proportional to 3,276.15, 4,520.57 and 1,878.63

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Solution

The fourth proportional to 3,276.15, 4,520.57 and 1,878.63 is: 2,592.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.15 : 4,520.57 = 1,878.63 : x
  2. Step 2: Convert to fraction form
    3,276.15/4,520.57 = 1,878.63/x
  3. Step 3: Cross multiply
    3,276.15x = 4,520.57 × 1,878.63
  4. Step 4: Simplify right side
    3,276.15x = 8,492,455.82
  5. Step 5: Solve for x
    x = 8,492,455.82/3,276.15
  6. Step 6: Final answer
    x = 2,592.21

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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.