Home / 4,920.47-6,790.35-2,682.45

Finding the Fourth Proportional to 4,920.47, 6,790.35 and 2,682.45

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Solution

The fourth proportional to 4,920.47, 6,790.35 and 2,682.45 is: 3,701.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.47 : 6,790.35 = 2,682.45 : x
  2. Step 2: Convert to fraction form
    4,920.47/6,790.35 = 2,682.45/x
  3. Step 3: Cross multiply
    4,920.47x = 6,790.35 × 2,682.45
  4. Step 4: Simplify right side
    4,920.47x = 18,214,774.36
  5. Step 5: Solve for x
    x = 18,214,774.36/4,920.47
  6. Step 6: Final answer
    x = 3,701.84

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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.