Home / 5,272.11-7,276.95-3,281.49

Finding the Fourth Proportional to 5,272.11, 7,276.95 and 3,281.49

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Solution

The fourth proportional to 5,272.11, 7,276.95 and 3,281.49 is: 4,529.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.11 : 7,276.95 = 3,281.49 : x
  2. Step 2: Convert to fraction form
    5,272.11/7,276.95 = 3,281.49/x
  3. Step 3: Cross multiply
    5,272.11x = 7,276.95 × 3,281.49
  4. Step 4: Simplify right side
    5,272.11x = 23,879,238.66
  5. Step 5: Solve for x
    x = 23,879,238.66/5,272.11
  6. Step 6: Final answer
    x = 4,529.35

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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.