Home / 7,777.46-10,732.86-4,240.64

Finding the Fourth Proportional to 7,777.46, 10,732.86 and 4,240.64

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Solution

The fourth proportional to 7,777.46, 10,732.86 and 4,240.64 is: 5,852.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777.46 : 10,732.86 = 4,240.64 : x
  2. Step 2: Convert to fraction form
    7,777.46/10,732.86 = 4,240.64/x
  3. Step 3: Cross multiply
    7,777.46x = 10,732.86 × 4,240.64
  4. Step 4: Simplify right side
    7,777.46x = 45,514,195.43
  5. Step 5: Solve for x
    x = 45,514,195.43/7,777.46
  6. Step 6: Final answer
    x = 5,852.06

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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.