Home / 5,869.81-8,798.78-3,680.07

Finding the Fourth Proportional to 5,869.81, 8,798.78 and 3,680.07

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Solution

The fourth proportional to 5,869.81, 8,798.78 and 3,680.07 is: 5,516.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,869.81 : 8,798.78 = 3,680.07 : x
  2. Step 2: Convert to fraction form
    5,869.81/8,798.78 = 3,680.07/x
  3. Step 3: Cross multiply
    5,869.81x = 8,798.78 × 3,680.07
  4. Step 4: Simplify right side
    5,869.81x = 32,380,126.31
  5. Step 5: Solve for x
    x = 32,380,126.31/5,869.81
  6. Step 6: Final answer
    x = 5,516.38

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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.