Home / 4,145.22-5,720.04-2,376.72

Finding the Fourth Proportional to 4,145.22, 5,720.04 and 2,376.72

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Solution

The fourth proportional to 4,145.22, 5,720.04 and 2,376.72 is: 3,279.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.22 : 5,720.04 = 2,376.72 : x
  2. Step 2: Convert to fraction form
    4,145.22/5,720.04 = 2,376.72/x
  3. Step 3: Cross multiply
    4,145.22x = 5,720.04 × 2,376.72
  4. Step 4: Simplify right side
    4,145.22x = 13,594,933.47
  5. Step 5: Solve for x
    x = 13,594,933.47/4,145.22
  6. Step 6: Final answer
    x = 3,279.67

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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.