Home / 4,665.98-6,438.80-2,897.54

Finding the Fourth Proportional to 4,665.98, 6,438.80 and 2,897.54

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Solution

The fourth proportional to 4,665.98, 6,438.80 and 2,897.54 is: 3,998.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,665.98 : 6,438.80 = 2,897.54 : x
  2. Step 2: Convert to fraction form
    4,665.98/6,438.80 = 2,897.54/x
  3. Step 3: Cross multiply
    4,665.98x = 6,438.80 × 2,897.54
  4. Step 4: Simplify right side
    4,665.98x = 18,656,703.89
  5. Step 5: Solve for x
    x = 18,656,703.89/4,665.98
  6. Step 6: Final answer
    x = 3,998.46

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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.