Home / 3,248.52-4,482.71-1,989.06

Finding the Fourth Proportional to 3,248.52, 4,482.71 and 1,989.06

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Solution

The fourth proportional to 3,248.52, 4,482.71 and 1,989.06 is: 2,744.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248.52 : 4,482.71 = 1,989.06 : x
  2. Step 2: Convert to fraction form
    3,248.52/4,482.71 = 1,989.06/x
  3. Step 3: Cross multiply
    3,248.52x = 4,482.71 × 1,989.06
  4. Step 4: Simplify right side
    3,248.52x = 8,916,369.21
  5. Step 5: Solve for x
    x = 8,916,369.21/3,248.52
  6. Step 6: Final answer
    x = 2,744.75

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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.