Home / 5,666.25-7,818.23-3,427.70

Finding the Fourth Proportional to 5,666.25, 7,818.23 and 3,427.70

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Solution

The fourth proportional to 5,666.25, 7,818.23 and 3,427.70 is: 4,729.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,666.25 : 7,818.23 = 3,427.70 : x
  2. Step 2: Convert to fraction form
    5,666.25/7,818.23 = 3,427.70/x
  3. Step 3: Cross multiply
    5,666.25x = 7,818.23 × 3,427.70
  4. Step 4: Simplify right side
    5,666.25x = 26,798,516.45
  5. Step 5: Solve for x
    x = 26,798,516.45/5,666.25
  6. Step 6: Final answer
    x = 4,729.49

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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.