Home / 5,163.28-7,126.32-2,925.12

Finding the Fourth Proportional to 5,163.28, 7,126.32 and 2,925.12

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Solution

The fourth proportional to 5,163.28, 7,126.32 and 2,925.12 is: 4,037.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.28 : 7,126.32 = 2,925.12 : x
  2. Step 2: Convert to fraction form
    5,163.28/7,126.32 = 2,925.12/x
  3. Step 3: Cross multiply
    5,163.28x = 7,126.32 × 2,925.12
  4. Step 4: Simplify right side
    5,163.28x = 20,845,341.16
  5. Step 5: Solve for x
    x = 20,845,341.16/5,163.28
  6. Step 6: Final answer
    x = 4,037.23

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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.