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Finding the Fourth Proportional to 5,873.45, 8,810.12 and 1,977.83

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Solution

The fourth proportional to 5,873.45, 8,810.12 and 1,977.83 is: 2,966.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,873.45 : 8,810.12 = 1,977.83 : x
  2. Step 2: Convert to fraction form
    5,873.45/8,810.12 = 1,977.83/x
  3. Step 3: Cross multiply
    5,873.45x = 8,810.12 × 1,977.83
  4. Step 4: Simplify right side
    5,873.45x = 17,424,909.75
  5. Step 5: Solve for x
    x = 17,424,909.75/5,873.45
  6. Step 6: Final answer
    x = 2,966.72

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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.