Home / 4,720.91-7,080.90-1,434.03

Finding the Fourth Proportional to 4,720.91, 7,080.90 and 1,434.03

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Solution

The fourth proportional to 4,720.91, 7,080.90 and 1,434.03 is: 2,150.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.91 : 7,080.90 = 1,434.03 : x
  2. Step 2: Convert to fraction form
    4,720.91/7,080.90 = 1,434.03/x
  3. Step 3: Cross multiply
    4,720.91x = 7,080.90 × 1,434.03
  4. Step 4: Simplify right side
    4,720.91x = 10,154,223.03
  5. Step 5: Solve for x
    x = 10,154,223.03/4,720.91
  6. Step 6: Final answer
    x = 2,150.91

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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.