Home / 7,133.46-9,841.64-4,148.60

Finding the Fourth Proportional to 7,133.46, 9,841.64 and 4,148.60

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Solution

The fourth proportional to 7,133.46, 9,841.64 and 4,148.60 is: 5,723.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,133.46 : 9,841.64 = 4,148.60 : x
  2. Step 2: Convert to fraction form
    7,133.46/9,841.64 = 4,148.60/x
  3. Step 3: Cross multiply
    7,133.46x = 9,841.64 × 4,148.60
  4. Step 4: Simplify right side
    7,133.46x = 40,829,027.70
  5. Step 5: Solve for x
    x = 40,829,027.70/7,133.46
  6. Step 6: Final answer
    x = 5,723.59

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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.