Home / 4,764.32-7,140.64-3,378.08

Finding the Fourth Proportional to 4,764.32, 7,140.64 and 3,378.08

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Solution

The fourth proportional to 4,764.32, 7,140.64 and 3,378.08 is: 5,062.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,764.32 : 7,140.64 = 3,378.08 : x
  2. Step 2: Convert to fraction form
    4,764.32/7,140.64 = 3,378.08/x
  3. Step 3: Cross multiply
    4,764.32x = 7,140.64 × 3,378.08
  4. Step 4: Simplify right side
    4,764.32x = 24,121,653.17
  5. Step 5: Solve for x
    x = 24,121,653.17/4,764.32
  6. Step 6: Final answer
    x = 5,062.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.