Home / 5,595.12-8,389.08-4,815.36

Finding the Fourth Proportional to 5,595.12, 8,389.08 and 4,815.36

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Solution

The fourth proportional to 5,595.12, 8,389.08 and 4,815.36 is: 7,219.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,595.12 : 8,389.08 = 4,815.36 : x
  2. Step 2: Convert to fraction form
    5,595.12/8,389.08 = 4,815.36/x
  3. Step 3: Cross multiply
    5,595.12x = 8,389.08 × 4,815.36
  4. Step 4: Simplify right side
    5,595.12x = 40,396,440.27
  5. Step 5: Solve for x
    x = 40,396,440.27/5,595.12
  6. Step 6: Final answer
    x = 7,219.94

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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.