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Finding the Fourth Proportional to 3,590.02, 5,385.44 and 957.63

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Solution

The fourth proportional to 3,590.02, 5,385.44 and 957.63 is: 1,436.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.02 : 5,385.44 = 957.63 : x
  2. Step 2: Convert to fraction form
    3,590.02/5,385.44 = 957.63/x
  3. Step 3: Cross multiply
    3,590.02x = 5,385.44 × 957.63
  4. Step 4: Simplify right side
    3,590.02x = 5,157,258.91
  5. Step 5: Solve for x
    x = 5,157,258.91/3,590.02
  6. Step 6: Final answer
    x = 1,436.55

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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.