Home / 5,126.51-7,073.27-3,136.34

Finding the Fourth Proportional to 5,126.51, 7,073.27 and 3,136.34

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Solution

The fourth proportional to 5,126.51, 7,073.27 and 3,136.34 is: 4,327.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.51 : 7,073.27 = 3,136.34 : x
  2. Step 2: Convert to fraction form
    5,126.51/7,073.27 = 3,136.34/x
  3. Step 3: Cross multiply
    5,126.51x = 7,073.27 × 3,136.34
  4. Step 4: Simplify right side
    5,126.51x = 22,184,179.63
  5. Step 5: Solve for x
    x = 22,184,179.63/5,126.51
  6. Step 6: Final answer
    x = 4,327.35

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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.