Home / 4,607.53-6,912.32-1,320.36

Finding the Fourth Proportional to 4,607.53, 6,912.32 and 1,320.36

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Solution

The fourth proportional to 4,607.53, 6,912.32 and 1,320.36 is: 1,980.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,607.53 : 6,912.32 = 1,320.36 : x
  2. Step 2: Convert to fraction form
    4,607.53/6,912.32 = 1,320.36/x
  3. Step 3: Cross multiply
    4,607.53x = 6,912.32 × 1,320.36
  4. Step 4: Simplify right side
    4,607.53x = 9,126,767.38
  5. Step 5: Solve for x
    x = 9,126,767.38/4,607.53
  6. Step 6: Final answer
    x = 1,980.84

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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.