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Finding the Fourth Proportional to 4,390.07, 6,587.87 and 1,793.07

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Solution

The fourth proportional to 4,390.07, 6,587.87 and 1,793.07 is: 2,690.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.07 : 6,587.87 = 1,793.07 : x
  2. Step 2: Convert to fraction form
    4,390.07/6,587.87 = 1,793.07/x
  3. Step 3: Cross multiply
    4,390.07x = 6,587.87 × 1,793.07
  4. Step 4: Simplify right side
    4,390.07x = 11,812,503.10
  5. Step 5: Solve for x
    x = 11,812,503.10/4,390.07
  6. Step 6: Final answer
    x = 2,690.74

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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.