Home / 4,575.81-6,315.29-2,897.37

Finding the Fourth Proportional to 4,575.81, 6,315.29 and 2,897.37

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Solution

The fourth proportional to 4,575.81, 6,315.29 and 2,897.37 is: 3,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,575.81 : 6,315.29 = 2,897.37 : x
  2. Step 2: Convert to fraction form
    4,575.81/6,315.29 = 2,897.37/x
  3. Step 3: Cross multiply
    4,575.81x = 6,315.29 × 2,897.37
  4. Step 4: Simplify right side
    4,575.81x = 18,297,739.03
  5. Step 5: Solve for x
    x = 18,297,739.03/4,575.81
  6. Step 6: Final answer
    x = 3,998.80

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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.