Home / 5,070.22-6,996.21-2,831.81

Finding the Fourth Proportional to 5,070.22, 6,996.21 and 2,831.81

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Solution

The fourth proportional to 5,070.22, 6,996.21 and 2,831.81 is: 3,907.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070.22 : 6,996.21 = 2,831.81 : x
  2. Step 2: Convert to fraction form
    5,070.22/6,996.21 = 2,831.81/x
  3. Step 3: Cross multiply
    5,070.22x = 6,996.21 × 2,831.81
  4. Step 4: Simplify right side
    5,070.22x = 19,811,888.30
  5. Step 5: Solve for x
    x = 19,811,888.30/5,070.22
  6. Step 6: Final answer
    x = 3,907.50

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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.