Home / 7,339.16-10,128.04-4,195.41

Finding the Fourth Proportional to 7,339.16, 10,128.04 and 4,195.41

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Solution

The fourth proportional to 7,339.16, 10,128.04 and 4,195.41 is: 5,789.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.16 : 10,128.04 = 4,195.41 : x
  2. Step 2: Convert to fraction form
    7,339.16/10,128.04 = 4,195.41/x
  3. Step 3: Cross multiply
    7,339.16x = 10,128.04 × 4,195.41
  4. Step 4: Simplify right side
    7,339.16x = 42,491,259.32
  5. Step 5: Solve for x
    x = 42,491,259.32/7,339.16
  6. Step 6: Final answer
    x = 5,789.67

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Double scale
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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.