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Finding the Fourth Proportional to 3,338.84, 5,007.71 and 1,117.53

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Solution

The fourth proportional to 3,338.84, 5,007.71 and 1,117.53 is: 1,676.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.84 : 5,007.71 = 1,117.53 : x
  2. Step 2: Convert to fraction form
    3,338.84/5,007.71 = 1,117.53/x
  3. Step 3: Cross multiply
    3,338.84x = 5,007.71 × 1,117.53
  4. Step 4: Simplify right side
    3,338.84x = 5,596,268.95
  5. Step 5: Solve for x
    x = 5,596,268.95/3,338.84
  6. Step 6: Final answer
    x = 1,676.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.