Home / 3,455.10-4,768.02-1,883.18

Finding the Fourth Proportional to 3,455.10, 4,768.02 and 1,883.18

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Solution

The fourth proportional to 3,455.10, 4,768.02 and 1,883.18 is: 2,598.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.10 : 4,768.02 = 1,883.18 : x
  2. Step 2: Convert to fraction form
    3,455.10/4,768.02 = 1,883.18/x
  3. Step 3: Cross multiply
    3,455.10x = 4,768.02 × 1,883.18
  4. Step 4: Simplify right side
    3,455.10x = 8,979,039.90
  5. Step 5: Solve for x
    x = 8,979,039.90/3,455.10
  6. Step 6: Final answer
    x = 2,598.78

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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.