Home / 7,739.93-10,682.80-5,087.58

Finding the Fourth Proportional to 7,739.93, 10,682.80 and 5,087.58

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Solution

The fourth proportional to 7,739.93, 10,682.80 and 5,087.58 is: 7,021.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.93 : 10,682.80 = 5,087.58 : x
  2. Step 2: Convert to fraction form
    7,739.93/10,682.80 = 5,087.58/x
  3. Step 3: Cross multiply
    7,739.93x = 10,682.80 × 5,087.58
  4. Step 4: Simplify right side
    7,739.93x = 54,349,586.91
  5. Step 5: Solve for x
    x = 54,349,586.91/7,739.93
  6. Step 6: Final answer
    x = 7,021.98

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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.