Home / 6,087.84-8,400.15-3,730.74

Finding the Fourth Proportional to 6,087.84, 8,400.15 and 3,730.74

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Solution

The fourth proportional to 6,087.84, 8,400.15 and 3,730.74 is: 5,147.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,087.84 : 8,400.15 = 3,730.74 : x
  2. Step 2: Convert to fraction form
    6,087.84/8,400.15 = 3,730.74/x
  3. Step 3: Cross multiply
    6,087.84x = 8,400.15 × 3,730.74
  4. Step 4: Simplify right side
    6,087.84x = 31,338,775.61
  5. Step 5: Solve for x
    x = 31,338,775.61/6,087.84
  6. Step 6: Final answer
    x = 5,147.77

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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.