Home / 6,077.04-8,385.84-3,718.86

Finding the Fourth Proportional to 6,077.04, 8,385.84 and 3,718.86

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Solution

The fourth proportional to 6,077.04, 8,385.84 and 3,718.86 is: 5,131.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,077.04 : 8,385.84 = 3,718.86 : x
  2. Step 2: Convert to fraction form
    6,077.04/8,385.84 = 3,718.86/x
  3. Step 3: Cross multiply
    6,077.04x = 8,385.84 × 3,718.86
  4. Step 4: Simplify right side
    6,077.04x = 31,185,764.94
  5. Step 5: Solve for x
    x = 31,185,764.94/6,077.04
  6. Step 6: Final answer
    x = 5,131.74

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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.