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Finding the Fourth Proportional to 3,434.70, 5,152.02 and 969.51

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Solution

The fourth proportional to 3,434.70, 5,152.02 and 969.51 is: 1,454.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.70 : 5,152.02 = 969.51 : x
  2. Step 2: Convert to fraction form
    3,434.70/5,152.02 = 969.51/x
  3. Step 3: Cross multiply
    3,434.70x = 5,152.02 × 969.51
  4. Step 4: Simplify right side
    3,434.70x = 4,994,934.91
  5. Step 5: Solve for x
    x = 4,994,934.91/3,434.70
  6. Step 6: Final answer
    x = 1,454.26

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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.