Home / 7,310.48-10,087.56-4,656.80

Finding the Fourth Proportional to 7,310.48, 10,087.56 and 4,656.80

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Solution

The fourth proportional to 7,310.48, 10,087.56 and 4,656.80 is: 6,425.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.48 : 10,087.56 = 4,656.80 : x
  2. Step 2: Convert to fraction form
    7,310.48/10,087.56 = 4,656.80/x
  3. Step 3: Cross multiply
    7,310.48x = 10,087.56 × 4,656.80
  4. Step 4: Simplify right side
    7,310.48x = 46,975,749.41
  5. Step 5: Solve for x
    x = 46,975,749.41/7,310.48
  6. Step 6: Final answer
    x = 6,425.81

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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.