Home / 7,184.72-10,782.04-4,720.72

Finding the Fourth Proportional to 7,184.72, 10,782.04 and 4,720.72

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Solution

The fourth proportional to 7,184.72, 10,782.04 and 4,720.72 is: 7,084.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,184.72 : 10,782.04 = 4,720.72 : x
  2. Step 2: Convert to fraction form
    7,184.72/10,782.04 = 4,720.72/x
  3. Step 3: Cross multiply
    7,184.72x = 10,782.04 × 4,720.72
  4. Step 4: Simplify right side
    7,184.72x = 50,898,991.87
  5. Step 5: Solve for x
    x = 50,898,991.87/7,184.72
  6. Step 6: Final answer
    x = 7,084.34

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1.5x scale

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.