Home / 7,665.03-10,575.09-4,307.31

Finding the Fourth Proportional to 7,665.03, 10,575.09 and 4,307.31

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Solution

The fourth proportional to 7,665.03, 10,575.09 and 4,307.31 is: 5,942.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,665.03 : 10,575.09 = 4,307.31 : x
  2. Step 2: Convert to fraction form
    7,665.03/10,575.09 = 4,307.31/x
  3. Step 3: Cross multiply
    7,665.03x = 10,575.09 × 4,307.31
  4. Step 4: Simplify right side
    7,665.03x = 45,550,190.91
  5. Step 5: Solve for x
    x = 45,550,190.91/7,665.03
  6. Step 6: Final answer
    x = 5,942.60

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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.