Home / 5,206.44-7,178.10-3,790.35

Finding the Fourth Proportional to 5,206.44, 7,178.10 and 3,790.35

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Solution

The fourth proportional to 5,206.44, 7,178.10 and 3,790.35 is: 5,225.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.44 : 7,178.10 = 3,790.35 : x
  2. Step 2: Convert to fraction form
    5,206.44/7,178.10 = 3,790.35/x
  3. Step 3: Cross multiply
    5,206.44x = 7,178.10 × 3,790.35
  4. Step 4: Simplify right side
    5,206.44x = 27,207,511.34
  5. Step 5: Solve for x
    x = 27,207,511.34/5,206.44
  6. Step 6: Final answer
    x = 5,225.74

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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.