Home / 6,316.07-8,715.80-3,627.42

Finding the Fourth Proportional to 6,316.07, 8,715.80 and 3,627.42

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Solution

The fourth proportional to 6,316.07, 8,715.80 and 3,627.42 is: 5,005.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,316.07 : 8,715.80 = 3,627.42 : x
  2. Step 2: Convert to fraction form
    6,316.07/8,715.80 = 3,627.42/x
  3. Step 3: Cross multiply
    6,316.07x = 8,715.80 × 3,627.42
  4. Step 4: Simplify right side
    6,316.07x = 31,615,849.10
  5. Step 5: Solve for x
    x = 31,615,849.10/6,316.07
  6. Step 6: Final answer
    x = 5,005.62

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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.