Home / 5,014.74-6,920.20-2,776.56

Finding the Fourth Proportional to 5,014.74, 6,920.20 and 2,776.56

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Solution

The fourth proportional to 5,014.74, 6,920.20 and 2,776.56 is: 3,831.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,014.74 : 6,920.20 = 2,776.56 : x
  2. Step 2: Convert to fraction form
    5,014.74/6,920.20 = 2,776.56/x
  3. Step 3: Cross multiply
    5,014.74x = 6,920.20 × 2,776.56
  4. Step 4: Simplify right side
    5,014.74x = 19,214,350.51
  5. Step 5: Solve for x
    x = 19,214,350.51/5,014.74
  6. Step 6: Final answer
    x = 3,831.57

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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.