Home / 6,741.24-9,300.39-4,087.68

Finding the Fourth Proportional to 6,741.24, 9,300.39 and 4,087.68

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Solution

The fourth proportional to 6,741.24, 9,300.39 and 4,087.68 is: 5,639.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,741.24 : 9,300.39 = 4,087.68 : x
  2. Step 2: Convert to fraction form
    6,741.24/9,300.39 = 4,087.68/x
  3. Step 3: Cross multiply
    6,741.24x = 9,300.39 × 4,087.68
  4. Step 4: Simplify right side
    6,741.24x = 38,017,018.20
  5. Step 5: Solve for x
    x = 38,017,018.20/6,741.24
  6. Step 6: Final answer
    x = 5,639.47

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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.