Home / 2,211.04-3,051.21-1,327.34

Finding the Fourth Proportional to 2,211.04, 3,051.21 and 1,327.34

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Solution

The fourth proportional to 2,211.04, 3,051.21 and 1,327.34 is: 1,831.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.04 : 3,051.21 = 1,327.34 : x
  2. Step 2: Convert to fraction form
    2,211.04/3,051.21 = 1,327.34/x
  3. Step 3: Cross multiply
    2,211.04x = 3,051.21 × 1,327.34
  4. Step 4: Simplify right side
    2,211.04x = 4,050,000.71
  5. Step 5: Solve for x
    x = 4,050,000.71/2,211.04
  6. Step 6: Final answer
    x = 1,831.72

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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.