Home / 3,310.60-4,561.32-3,106.48

Finding the Fourth Proportional to 3,310.60, 4,561.32 and 3,106.48

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Solution

The fourth proportional to 3,310.60, 4,561.32 and 3,106.48 is: 4,280.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.60 : 4,561.32 = 3,106.48 : x
  2. Step 2: Convert to fraction form
    3,310.60/4,561.32 = 3,106.48/x
  3. Step 3: Cross multiply
    3,310.60x = 4,561.32 × 3,106.48
  4. Step 4: Simplify right side
    3,310.60x = 14,169,649.35
  5. Step 5: Solve for x
    x = 14,169,649.35/3,310.60
  6. Step 6: Final answer
    x = 4,280.08

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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.