Home / 5,665.74-8,496.90-2,378.12

Finding the Fourth Proportional to 5,665.74, 8,496.90 and 2,378.12

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Solution

The fourth proportional to 5,665.74, 8,496.90 and 2,378.12 is: 3,566.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,665.74 : 8,496.90 = 2,378.12 : x
  2. Step 2: Convert to fraction form
    5,665.74/8,496.90 = 2,378.12/x
  3. Step 3: Cross multiply
    5,665.74x = 8,496.90 × 2,378.12
  4. Step 4: Simplify right side
    5,665.74x = 20,206,605.34
  5. Step 5: Solve for x
    x = 20,206,605.34/5,665.74
  6. Step 6: Final answer
    x = 3,566.45

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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.