Home / 5,720.61-8,582.12-1,972.73

Finding the Fourth Proportional to 5,720.61, 8,582.12 and 1,972.73

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Solution

The fourth proportional to 5,720.61, 8,582.12 and 1,972.73 is: 2,959.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.61 : 8,582.12 = 1,972.73 : x
  2. Step 2: Convert to fraction form
    5,720.61/8,582.12 = 1,972.73/x
  3. Step 3: Cross multiply
    5,720.61x = 8,582.12 × 1,972.73
  4. Step 4: Simplify right side
    5,720.61x = 16,930,152.81
  5. Step 5: Solve for x
    x = 16,930,152.81/5,720.61
  6. Step 6: Final answer
    x = 2,959.50

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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.