Home / 5,882.16-8,120.88-5,226.12

Finding the Fourth Proportional to 5,882.16, 8,120.88 and 5,226.12

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Solution

The fourth proportional to 5,882.16, 8,120.88 and 5,226.12 is: 7,215.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,882.16 : 8,120.88 = 5,226.12 : x
  2. Step 2: Convert to fraction form
    5,882.16/8,120.88 = 5,226.12/x
  3. Step 3: Cross multiply
    5,882.16x = 8,120.88 × 5,226.12
  4. Step 4: Simplify right side
    5,882.16x = 42,440,693.39
  5. Step 5: Solve for x
    x = 42,440,693.39/5,882.16
  6. Step 6: Final answer
    x = 7,215.15

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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.