Home / 7,670.83-11,495.56-3,720.46

Finding the Fourth Proportional to 7,670.83, 11,495.56 and 3,720.46

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Solution

The fourth proportional to 7,670.83, 11,495.56 and 3,720.46 is: 5,575.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,670.83 : 11,495.56 = 3,720.46 : x
  2. Step 2: Convert to fraction form
    7,670.83/11,495.56 = 3,720.46/x
  3. Step 3: Cross multiply
    7,670.83x = 11,495.56 × 3,720.46
  4. Step 4: Simplify right side
    7,670.83x = 42,768,771.16
  5. Step 5: Solve for x
    x = 42,768,771.16/7,670.83
  6. Step 6: Final answer
    x = 5,575.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.