Home / 2,854.10-4,280.87-1,935.56

Finding the Fourth Proportional to 2,854.10, 4,280.87 and 1,935.56

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Solution

The fourth proportional to 2,854.10, 4,280.87 and 1,935.56 is: 2,903.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854.10 : 4,280.87 = 1,935.56 : x
  2. Step 2: Convert to fraction form
    2,854.10/4,280.87 = 1,935.56/x
  3. Step 3: Cross multiply
    2,854.10x = 4,280.87 × 1,935.56
  4. Step 4: Simplify right side
    2,854.10x = 8,285,849.66
  5. Step 5: Solve for x
    x = 8,285,849.66/2,854.10
  6. Step 6: Final answer
    x = 2,903.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.