Home / 3,440.22-4,751.40-2,663.70

Finding the Fourth Proportional to 3,440.22, 4,751.40 and 2,663.70

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Solution

The fourth proportional to 3,440.22, 4,751.40 and 2,663.70 is: 3,678.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.22 : 4,751.40 = 2,663.70 : x
  2. Step 2: Convert to fraction form
    3,440.22/4,751.40 = 2,663.70/x
  3. Step 3: Cross multiply
    3,440.22x = 4,751.40 × 2,663.70
  4. Step 4: Simplify right side
    3,440.22x = 12,656,304.18
  5. Step 5: Solve for x
    x = 12,656,304.18/3,440.22
  6. Step 6: Final answer
    x = 3,678.92

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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.