Home / 5,740.15-8,609.98-1,579.89

Finding the Fourth Proportional to 5,740.15, 8,609.98 and 1,579.89

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Solution

The fourth proportional to 5,740.15, 8,609.98 and 1,579.89 is: 2,369.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,740.15 : 8,609.98 = 1,579.89 : x
  2. Step 2: Convert to fraction form
    5,740.15/8,609.98 = 1,579.89/x
  3. Step 3: Cross multiply
    5,740.15x = 8,609.98 × 1,579.89
  4. Step 4: Simplify right side
    5,740.15x = 13,602,821.30
  5. Step 5: Solve for x
    x = 13,602,821.30/5,740.15
  6. Step 6: Final answer
    x = 2,369.77

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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.