Home / 5,874.70-8,106.86-3,518.14

Finding the Fourth Proportional to 5,874.70, 8,106.86 and 3,518.14

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Solution

The fourth proportional to 5,874.70, 8,106.86 and 3,518.14 is: 4,854.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,874.70 : 8,106.86 = 3,518.14 : x
  2. Step 2: Convert to fraction form
    5,874.70/8,106.86 = 3,518.14/x
  3. Step 3: Cross multiply
    5,874.70x = 8,106.86 × 3,518.14
  4. Step 4: Simplify right side
    5,874.70x = 28,521,068.44
  5. Step 5: Solve for x
    x = 28,521,068.44/5,874.70
  6. Step 6: Final answer
    x = 4,854.90

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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.