Home / 2,778.49-4,165.33-1,133.99

Finding the Fourth Proportional to 2,778.49, 4,165.33 and 1,133.99

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Solution

The fourth proportional to 2,778.49, 4,165.33 and 1,133.99 is: 1,700.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778.49 : 4,165.33 = 1,133.99 : x
  2. Step 2: Convert to fraction form
    2,778.49/4,165.33 = 1,133.99/x
  3. Step 3: Cross multiply
    2,778.49x = 4,165.33 × 1,133.99
  4. Step 4: Simplify right side
    2,778.49x = 4,723,445.18
  5. Step 5: Solve for x
    x = 4,723,445.18/2,778.49
  6. Step 6: Final answer
    x = 1,700.00

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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.