Home / 7,207.04-9,945.12-4,064

Finding the Fourth Proportional to 7,207.04, 9,945.12 and 4,064

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Solution

The fourth proportional to 7,207.04, 9,945.12 and 4,064 is: 5,607.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.04 : 9,945.12 = 4,064 : x
  2. Step 2: Convert to fraction form
    7,207.04/9,945.12 = 4,064/x
  3. Step 3: Cross multiply
    7,207.04x = 9,945.12 × 4,064
  4. Step 4: Simplify right side
    7,207.04x = 40,416,967.68
  5. Step 5: Solve for x
    x = 40,416,967.68/7,207.04
  6. Step 6: Final answer
    x = 5,607.98

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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.