Home / 5,423,015.93-7,484,425.70-3,131,172.77

Finding the Fourth Proportional to 5,423,015.93, 7,484,425.70 and 3,131,172.77

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Solution

The fourth proportional to 5,423,015.93, 7,484,425.70 and 3,131,172.77 is: 4,321,401.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423,015.93 : 7,484,425.70 = 3,131,172.77 : x
  2. Step 2: Convert to fraction form
    5,423,015.93/7,484,425.70 = 3,131,172.77/x
  3. Step 3: Cross multiply
    5,423,015.93x = 7,484,425.70 × 3,131,172.77
  4. Step 4: Simplify right side
    5,423,015.93x = 23,435,029,950,928.19
  5. Step 5: Solve for x
    x = 23,435,029,950,928.19/5,423,015.93
  6. Step 6: Final answer
    x = 4,321,401.64

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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.