Home / 7,349.63-10,143.38-4,205.75

Finding the Fourth Proportional to 7,349.63, 10,143.38 and 4,205.75

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Solution

The fourth proportional to 7,349.63, 10,143.38 and 4,205.75 is: 5,804.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,349.63 : 10,143.38 = 4,205.75 : x
  2. Step 2: Convert to fraction form
    7,349.63/10,143.38 = 4,205.75/x
  3. Step 3: Cross multiply
    7,349.63x = 10,143.38 × 4,205.75
  4. Step 4: Simplify right side
    7,349.63x = 42,660,499.41
  5. Step 5: Solve for x
    x = 42,660,499.41/7,349.63
  6. Step 6: Final answer
    x = 5,804.44

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Half 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.