Home / 5,820.63-8,730.99-1,660.62

Finding the Fourth Proportional to 5,820.63, 8,730.99 and 1,660.62

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Solution

The fourth proportional to 5,820.63, 8,730.99 and 1,660.62 is: 2,490.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820.63 : 8,730.99 = 1,660.62 : x
  2. Step 2: Convert to fraction form
    5,820.63/8,730.99 = 1,660.62/x
  3. Step 3: Cross multiply
    5,820.63x = 8,730.99 × 1,660.62
  4. Step 4: Simplify right side
    5,820.63x = 14,498,856.61
  5. Step 5: Solve for x
    x = 14,498,856.61/5,820.63
  6. Step 6: Final answer
    x = 2,490.94

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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.