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Finding the Fourth Proportional to 5,780.74, 8,654.08 and 3,582.40

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Solution

The fourth proportional to 5,780.74, 8,654.08 and 3,582.40 is: 5,363.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,780.74 : 8,654.08 = 3,582.40 : x
  2. Step 2: Convert to fraction form
    5,780.74/8,654.08 = 3,582.40/x
  3. Step 3: Cross multiply
    5,780.74x = 8,654.08 × 3,582.40
  4. Step 4: Simplify right side
    5,780.74x = 31,002,376.19
  5. Step 5: Solve for x
    x = 31,002,376.19/5,780.74
  6. Step 6: Final answer
    x = 5,363.05

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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.