Home / 7,063.60-9,747.48-4,080.28

Finding the Fourth Proportional to 7,063.60, 9,747.48 and 4,080.28

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Solution

The fourth proportional to 7,063.60, 9,747.48 and 4,080.28 is: 5,630.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,063.60 : 9,747.48 = 4,080.28 : x
  2. Step 2: Convert to fraction form
    7,063.60/9,747.48 = 4,080.28/x
  3. Step 3: Cross multiply
    7,063.60x = 9,747.48 × 4,080.28
  4. Step 4: Simplify right side
    7,063.60x = 39,772,447.69
  5. Step 5: Solve for x
    x = 39,772,447.69/7,063.60
  6. Step 6: Final answer
    x = 5,630.62

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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.