Home / 6,360.48-8,780.52-4,003.92

Finding the Fourth Proportional to 6,360.48, 8,780.52 and 4,003.92

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Solution

The fourth proportional to 6,360.48, 8,780.52 and 4,003.92 is: 5,527.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,360.48 : 8,780.52 = 4,003.92 : x
  2. Step 2: Convert to fraction form
    6,360.48/8,780.52 = 4,003.92/x
  3. Step 3: Cross multiply
    6,360.48x = 8,780.52 × 4,003.92
  4. Step 4: Simplify right side
    6,360.48x = 35,156,499.64
  5. Step 5: Solve for x
    x = 35,156,499.64/6,360.48
  6. Step 6: Final answer
    x = 5,527.33

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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.