Home / 5,609.18-7,740.70-3,252.72

Finding the Fourth Proportional to 5,609.18, 7,740.70 and 3,252.72

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Solution

The fourth proportional to 5,609.18, 7,740.70 and 3,252.72 is: 4,488.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,609.18 : 7,740.70 = 3,252.72 : x
  2. Step 2: Convert to fraction form
    5,609.18/7,740.70 = 3,252.72/x
  3. Step 3: Cross multiply
    5,609.18x = 7,740.70 × 3,252.72
  4. Step 4: Simplify right side
    5,609.18x = 25,178,329.70
  5. Step 5: Solve for x
    x = 25,178,329.70/5,609.18
  6. Step 6: Final answer
    x = 4,488.77

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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.