Home / 5,469.81-8,206.13-1,574.52

Finding the Fourth Proportional to 5,469.81, 8,206.13 and 1,574.52

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Solution

The fourth proportional to 5,469.81, 8,206.13 and 1,574.52 is: 2,362.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,469.81 : 8,206.13 = 1,574.52 : x
  2. Step 2: Convert to fraction form
    5,469.81/8,206.13 = 1,574.52/x
  3. Step 3: Cross multiply
    5,469.81x = 8,206.13 × 1,574.52
  4. Step 4: Simplify right side
    5,469.81x = 12,920,715.81
  5. Step 5: Solve for x
    x = 12,920,715.81/5,469.81
  6. Step 6: Final answer
    x = 2,362.19

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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.