Home / 5,720.18-8,580.66-1,824.88

Finding the Fourth Proportional to 5,720.18, 8,580.66 and 1,824.88

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Solution

The fourth proportional to 5,720.18, 8,580.66 and 1,824.88 is: 2,737.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.18 : 8,580.66 = 1,824.88 : x
  2. Step 2: Convert to fraction form
    5,720.18/8,580.66 = 1,824.88/x
  3. Step 3: Cross multiply
    5,720.18x = 8,580.66 × 1,824.88
  4. Step 4: Simplify right side
    5,720.18x = 15,658,674.82
  5. Step 5: Solve for x
    x = 15,658,674.82/5,720.18
  6. Step 6: Final answer
    x = 2,737.44

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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.