Home / 3,162.60-4,363.74-2,415.24

Finding the Fourth Proportional to 3,162.60, 4,363.74 and 2,415.24

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Solution

The fourth proportional to 3,162.60, 4,363.74 and 2,415.24 is: 3,332.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.60 : 4,363.74 = 2,415.24 : x
  2. Step 2: Convert to fraction form
    3,162.60/4,363.74 = 2,415.24/x
  3. Step 3: Cross multiply
    3,162.60x = 4,363.74 × 2,415.24
  4. Step 4: Simplify right side
    3,162.60x = 10,539,479.40
  5. Step 5: Solve for x
    x = 10,539,479.40/3,162.60
  6. Step 6: Final answer
    x = 3,332.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.