Home / 4,130.28-5,699.88-2,267.28

Finding the Fourth Proportional to 4,130.28, 5,699.88 and 2,267.28

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Solution

The fourth proportional to 4,130.28, 5,699.88 and 2,267.28 is: 3,128.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.28 : 5,699.88 = 2,267.28 : x
  2. Step 2: Convert to fraction form
    4,130.28/5,699.88 = 2,267.28/x
  3. Step 3: Cross multiply
    4,130.28x = 5,699.88 × 2,267.28
  4. Step 4: Simplify right side
    4,130.28x = 12,923,223.93
  5. Step 5: Solve for x
    x = 12,923,223.93/4,130.28
  6. Step 6: Final answer
    x = 3,128.90

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1.5x scale

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.