Home / 5,262.58-7,874.38-4,219.40

Finding the Fourth Proportional to 5,262.58, 7,874.38 and 4,219.40

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Solution

The fourth proportional to 5,262.58, 7,874.38 and 4,219.40 is: 6,313.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,262.58 : 7,874.38 = 4,219.40 : x
  2. Step 2: Convert to fraction form
    5,262.58/7,874.38 = 4,219.40/x
  3. Step 3: Cross multiply
    5,262.58x = 7,874.38 × 4,219.40
  4. Step 4: Simplify right side
    5,262.58x = 33,225,158.97
  5. Step 5: Solve for x
    x = 33,225,158.97/5,262.58
  6. Step 6: Final answer
    x = 6,313.47

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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.