Home / 5,133.42-7,700.55-1,623.67

Finding the Fourth Proportional to 5,133.42, 7,700.55 and 1,623.67

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Solution

The fourth proportional to 5,133.42, 7,700.55 and 1,623.67 is: 2,435.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.42 : 7,700.55 = 1,623.67 : x
  2. Step 2: Convert to fraction form
    5,133.42/7,700.55 = 1,623.67/x
  3. Step 3: Cross multiply
    5,133.42x = 7,700.55 × 1,623.67
  4. Step 4: Simplify right side
    5,133.42x = 12,503,132.77
  5. Step 5: Solve for x
    x = 12,503,132.77/5,133.42
  6. Step 6: Final answer
    x = 2,435.63

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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.