Home / 5,820.48-8,730.89-2,125.46

Finding the Fourth Proportional to 5,820.48, 8,730.89 and 2,125.46

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Solution

The fourth proportional to 5,820.48, 8,730.89 and 2,125.46 is: 3,188.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820.48 : 8,730.89 = 2,125.46 : x
  2. Step 2: Convert to fraction form
    5,820.48/8,730.89 = 2,125.46/x
  3. Step 3: Cross multiply
    5,820.48x = 8,730.89 × 2,125.46
  4. Step 4: Simplify right side
    5,820.48x = 18,557,103.18
  5. Step 5: Solve for x
    x = 18,557,103.18/5,820.48
  6. Step 6: Final answer
    x = 3,188.24

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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.