Home / 3,026.55-4,178.00-2,280.77

Finding the Fourth Proportional to 3,026.55, 4,178.00 and 2,280.77

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Solution

The fourth proportional to 3,026.55, 4,178.00 and 2,280.77 is: 3,148.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,026.55 : 4,178.00 = 2,280.77 : x
  2. Step 2: Convert to fraction form
    3,026.55/4,178.00 = 2,280.77/x
  3. Step 3: Cross multiply
    3,026.55x = 4,178.00 × 2,280.77
  4. Step 4: Simplify right side
    3,026.55x = 9,529,041.87
  5. Step 5: Solve for x
    x = 9,529,041.87/3,026.55
  6. Step 6: Final answer
    x = 3,148.48

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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.