Home / 4,077.17-5,627.83-3,720.36

Finding the Fourth Proportional to 4,077.17, 5,627.83 and 3,720.36

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Solution

The fourth proportional to 4,077.17, 5,627.83 and 3,720.36 is: 5,135.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.17 : 5,627.83 = 3,720.36 : x
  2. Step 2: Convert to fraction form
    4,077.17/5,627.83 = 3,720.36/x
  3. Step 3: Cross multiply
    4,077.17x = 5,627.83 × 3,720.36
  4. Step 4: Simplify right side
    4,077.17x = 20,937,572.40
  5. Step 5: Solve for x
    x = 20,937,572.40/4,077.17
  6. Step 6: Final answer
    x = 5,135.32

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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.