Home / 5,609.70-8,402.40-4,994.10

Finding the Fourth Proportional to 5,609.70, 8,402.40 and 4,994.10

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Solution

The fourth proportional to 5,609.70, 8,402.40 and 4,994.10 is: 7,480.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,609.70 : 8,402.40 = 4,994.10 : x
  2. Step 2: Convert to fraction form
    5,609.70/8,402.40 = 4,994.10/x
  3. Step 3: Cross multiply
    5,609.70x = 8,402.40 × 4,994.10
  4. Step 4: Simplify right side
    5,609.70x = 41,962,425.84
  5. Step 5: Solve for x
    x = 41,962,425.84/5,609.70
  6. Step 6: Final answer
    x = 7,480.33

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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.