Home / 7,720.52-10,650.39-4,883.10

Finding the Fourth Proportional to 7,720.52, 10,650.39 and 4,883.10

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Solution

The fourth proportional to 7,720.52, 10,650.39 and 4,883.10 is: 6,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720.52 : 10,650.39 = 4,883.10 : x
  2. Step 2: Convert to fraction form
    7,720.52/10,650.39 = 4,883.10/x
  3. Step 3: Cross multiply
    7,720.52x = 10,650.39 × 4,883.10
  4. Step 4: Simplify right side
    7,720.52x = 52,006,921.07
  5. Step 5: Solve for x
    x = 52,006,921.07/7,720.52
  6. Step 6: Final answer
    x = 6,736.20

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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.