Home / 5,667.18-7,818.19-3,776.92

Finding the Fourth Proportional to 5,667.18, 7,818.19 and 3,776.92

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Solution

The fourth proportional to 5,667.18, 7,818.19 and 3,776.92 is: 5,210.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,667.18 : 7,818.19 = 3,776.92 : x
  2. Step 2: Convert to fraction form
    5,667.18/7,818.19 = 3,776.92/x
  3. Step 3: Cross multiply
    5,667.18x = 7,818.19 × 3,776.92
  4. Step 4: Simplify right side
    5,667.18x = 29,528,649.19
  5. Step 5: Solve for x
    x = 29,528,649.19/5,667.18
  6. Step 6: Final answer
    x = 5,210.47

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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.