Home / 7,007.27-9,670.10-3,820.54

Finding the Fourth Proportional to 7,007.27, 9,670.10 and 3,820.54

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Solution

The fourth proportional to 7,007.27, 9,670.10 and 3,820.54 is: 5,272.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007.27 : 9,670.10 = 3,820.54 : x
  2. Step 2: Convert to fraction form
    7,007.27/9,670.10 = 3,820.54/x
  3. Step 3: Cross multiply
    7,007.27x = 9,670.10 × 3,820.54
  4. Step 4: Simplify right side
    7,007.27x = 36,944,966.58
  5. Step 5: Solve for x
    x = 36,944,966.58/7,007.27
  6. Step 6: Final answer
    x = 5,272.38

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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.