Home / 3,690.46-5,091.56-2,364.90

Finding the Fourth Proportional to 3,690.46, 5,091.56 and 2,364.90

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Solution

The fourth proportional to 3,690.46, 5,091.56 and 2,364.90 is: 3,262.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.46 : 5,091.56 = 2,364.90 : x
  2. Step 2: Convert to fraction form
    3,690.46/5,091.56 = 2,364.90/x
  3. Step 3: Cross multiply
    3,690.46x = 5,091.56 × 2,364.90
  4. Step 4: Simplify right side
    3,690.46x = 12,041,008.19
  5. Step 5: Solve for x
    x = 12,041,008.19/3,690.46
  6. Step 6: Final answer
    x = 3,262.74

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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.