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Finding the Fourth Proportional to 5,014.76, 6,920.25 and 2,776.50

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Solution

The fourth proportional to 5,014.76, 6,920.25 and 2,776.50 is: 3,831.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,014.76 : 6,920.25 = 2,776.50 : x
  2. Step 2: Convert to fraction form
    5,014.76/6,920.25 = 2,776.50/x
  3. Step 3: Cross multiply
    5,014.76x = 6,920.25 × 2,776.50
  4. Step 4: Simplify right side
    5,014.76x = 19,214,074.13
  5. Step 5: Solve for x
    x = 19,214,074.13/5,014.76
  6. Step 6: Final answer
    x = 3,831.51

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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.