Home / 5,780.84-8,671.86-2,083.46

Finding the Fourth Proportional to 5,780.84, 8,671.86 and 2,083.46

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Solution

The fourth proportional to 5,780.84, 8,671.86 and 2,083.46 is: 3,125.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,780.84 : 8,671.86 = 2,083.46 : x
  2. Step 2: Convert to fraction form
    5,780.84/8,671.86 = 2,083.46/x
  3. Step 3: Cross multiply
    5,780.84x = 8,671.86 × 2,083.46
  4. Step 4: Simplify right side
    5,780.84x = 18,067,430.08
  5. Step 5: Solve for x
    x = 18,067,430.08/5,780.84
  6. Step 6: Final answer
    x = 3,125.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.