Home / 2,127.42-2,933.28-1,567.80

Finding the Fourth Proportional to 2,127.42, 2,933.28 and 1,567.80

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Solution

The fourth proportional to 2,127.42, 2,933.28 and 1,567.80 is: 2,161.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.42 : 2,933.28 = 1,567.80 : x
  2. Step 2: Convert to fraction form
    2,127.42/2,933.28 = 1,567.80/x
  3. Step 3: Cross multiply
    2,127.42x = 2,933.28 × 1,567.80
  4. Step 4: Simplify right side
    2,127.42x = 4,598,796.38
  5. Step 5: Solve for x
    x = 4,598,796.38/2,127.42
  6. Step 6: Final answer
    x = 2,161.68

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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.