Home / 5,621.87-8,376.68-5,370.37

Finding the Fourth Proportional to 5,621.87, 8,376.68 and 5,370.37

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Solution

The fourth proportional to 5,621.87, 8,376.68 and 5,370.37 is: 8,001.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.87 : 8,376.68 = 5,370.37 : x
  2. Step 2: Convert to fraction form
    5,621.87/8,376.68 = 5,370.37/x
  3. Step 3: Cross multiply
    5,621.87x = 8,376.68 × 5,370.37
  4. Step 4: Simplify right side
    5,621.87x = 44,985,863.46
  5. Step 5: Solve for x
    x = 44,985,863.46/5,621.87
  6. Step 6: Final answer
    x = 8,001.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.