Home / 7,364.45-10,162.90-4,007.28

Finding the Fourth Proportional to 7,364.45, 10,162.90 and 4,007.28

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Solution

The fourth proportional to 7,364.45, 10,162.90 and 4,007.28 is: 5,530.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,364.45 : 10,162.90 = 4,007.28 : x
  2. Step 2: Convert to fraction form
    7,364.45/10,162.90 = 4,007.28/x
  3. Step 3: Cross multiply
    7,364.45x = 10,162.90 × 4,007.28
  4. Step 4: Simplify right side
    7,364.45x = 40,725,515.06
  5. Step 5: Solve for x
    x = 40,725,515.06/7,364.45
  6. Step 6: Final answer
    x = 5,530.01

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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.