Home / 5,261.96-7,261.31-3,165.68

Finding the Fourth Proportional to 5,261.96, 7,261.31 and 3,165.68

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Solution

The fourth proportional to 5,261.96, 7,261.31 and 3,165.68 is: 4,368.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.96 : 7,261.31 = 3,165.68 : x
  2. Step 2: Convert to fraction form
    5,261.96/7,261.31 = 3,165.68/x
  3. Step 3: Cross multiply
    5,261.96x = 7,261.31 × 3,165.68
  4. Step 4: Simplify right side
    5,261.96x = 22,986,931.71
  5. Step 5: Solve for x
    x = 22,986,931.71/5,261.96
  6. Step 6: Final answer
    x = 4,368.52

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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.