Home / 3,601.35-4,970.84-2,275.47

Finding the Fourth Proportional to 3,601.35, 4,970.84 and 2,275.47

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Solution

The fourth proportional to 3,601.35, 4,970.84 and 2,275.47 is: 3,140.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.35 : 4,970.84 = 2,275.47 : x
  2. Step 2: Convert to fraction form
    3,601.35/4,970.84 = 2,275.47/x
  3. Step 3: Cross multiply
    3,601.35x = 4,970.84 × 2,275.47
  4. Step 4: Simplify right side
    3,601.35x = 11,310,985.92
  5. Step 5: Solve for x
    x = 11,310,985.92/3,601.35
  6. Step 6: Final answer
    x = 3,140.76

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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.