Home / 6,313.20-8,712.84-4,717.08

Finding the Fourth Proportional to 6,313.20, 8,712.84 and 4,717.08

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Solution

The fourth proportional to 6,313.20, 8,712.84 and 4,717.08 is: 6,510.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,313.20 : 8,712.84 = 4,717.08 : x
  2. Step 2: Convert to fraction form
    6,313.20/8,712.84 = 4,717.08/x
  3. Step 3: Cross multiply
    6,313.20x = 8,712.84 × 4,717.08
  4. Step 4: Simplify right side
    6,313.20x = 41,099,139.72
  5. Step 5: Solve for x
    x = 41,099,139.72/6,313.20
  6. Step 6: Final answer
    x = 6,510.03

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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.