Home / 5,421.46-8,133.32-3,082.54

Finding the Fourth Proportional to 5,421.46, 8,133.32 and 3,082.54

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Solution

The fourth proportional to 5,421.46, 8,133.32 and 3,082.54 is: 4,624.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.46 : 8,133.32 = 3,082.54 : x
  2. Step 2: Convert to fraction form
    5,421.46/8,133.32 = 3,082.54/x
  3. Step 3: Cross multiply
    5,421.46x = 8,133.32 × 3,082.54
  4. Step 4: Simplify right side
    5,421.46x = 25,071,284.23
  5. Step 5: Solve for x
    x = 25,071,284.23/5,421.46
  6. Step 6: Final answer
    x = 4,624.45

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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.