Home / 4,723.32-7,070.40-4,320.12

Finding the Fourth Proportional to 4,723.32, 7,070.40 and 4,320.12

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Solution

The fourth proportional to 4,723.32, 7,070.40 and 4,320.12 is: 6,466.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,723.32 : 7,070.40 = 4,320.12 : x
  2. Step 2: Convert to fraction form
    4,723.32/7,070.40 = 4,320.12/x
  3. Step 3: Cross multiply
    4,723.32x = 7,070.40 × 4,320.12
  4. Step 4: Simplify right side
    4,723.32x = 30,544,976.45
  5. Step 5: Solve for x
    x = 30,544,976.45/4,723.32
  6. Step 6: Final answer
    x = 6,466.84

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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.