Home / 2,679.04-4,038.61-2,500.63

Finding the Fourth Proportional to 2,679.04, 4,038.61 and 2,500.63

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Solution

The fourth proportional to 2,679.04, 4,038.61 and 2,500.63 is: 3,769.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679.04 : 4,038.61 = 2,500.63 : x
  2. Step 2: Convert to fraction form
    2,679.04/4,038.61 = 2,500.63/x
  3. Step 3: Cross multiply
    2,679.04x = 4,038.61 × 2,500.63
  4. Step 4: Simplify right side
    2,679.04x = 10,099,069.32
  5. Step 5: Solve for x
    x = 10,099,069.32/2,679.04
  6. Step 6: Final answer
    x = 3,769.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.