Home / 2,973.42-4,103.79-2,264.12

Finding the Fourth Proportional to 2,973.42, 4,103.79 and 2,264.12

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Solution

The fourth proportional to 2,973.42, 4,103.79 and 2,264.12 is: 3,124.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.42 : 4,103.79 = 2,264.12 : x
  2. Step 2: Convert to fraction form
    2,973.42/4,103.79 = 2,264.12/x
  3. Step 3: Cross multiply
    2,973.42x = 4,103.79 × 2,264.12
  4. Step 4: Simplify right side
    2,973.42x = 9,291,473.01
  5. Step 5: Solve for x
    x = 9,291,473.01/2,973.42
  6. Step 6: Final answer
    x = 3,124.84

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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.