Home / 5,287.12-7,967.84-4,760.67

Finding the Fourth Proportional to 5,287.12, 7,967.84 and 4,760.67

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Solution

The fourth proportional to 5,287.12, 7,967.84 and 4,760.67 is: 7,174.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.12 : 7,967.84 = 4,760.67 : x
  2. Step 2: Convert to fraction form
    5,287.12/7,967.84 = 4,760.67/x
  3. Step 3: Cross multiply
    5,287.12x = 7,967.84 × 4,760.67
  4. Step 4: Simplify right side
    5,287.12x = 37,932,250.90
  5. Step 5: Solve for x
    x = 37,932,250.90/5,287.12
  6. Step 6: Final answer
    x = 7,174.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.