Home / 7,435.32-10,260.88-4,451.28

Finding the Fourth Proportional to 7,435.32, 10,260.88 and 4,451.28

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Solution

The fourth proportional to 7,435.32, 10,260.88 and 4,451.28 is: 6,142.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.32 : 10,260.88 = 4,451.28 : x
  2. Step 2: Convert to fraction form
    7,435.32/10,260.88 = 4,451.28/x
  3. Step 3: Cross multiply
    7,435.32x = 10,260.88 × 4,451.28
  4. Step 4: Simplify right side
    7,435.32x = 45,674,049.93
  5. Step 5: Solve for x
    x = 45,674,049.93/7,435.32
  6. Step 6: Final answer
    x = 6,142.85

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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.