Home / 6,357.05-8,769.61-5,516.57

Finding the Fourth Proportional to 6,357.05, 8,769.61 and 5,516.57

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Solution

The fourth proportional to 6,357.05, 8,769.61 and 5,516.57 is: 7,610.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,357.05 : 8,769.61 = 5,516.57 : x
  2. Step 2: Convert to fraction form
    6,357.05/8,769.61 = 5,516.57/x
  3. Step 3: Cross multiply
    6,357.05x = 8,769.61 × 5,516.57
  4. Step 4: Simplify right side
    6,357.05x = 48,378,132.34
  5. Step 5: Solve for x
    x = 48,378,132.34/6,357.05
  6. Step 6: Final answer
    x = 7,610.16

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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.