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Finding the Fourth Proportional to 5,798.18, 8,697.30 and 2,875.80

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Solution

The fourth proportional to 5,798.18, 8,697.30 and 2,875.80 is: 4,313.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,798.18 : 8,697.30 = 2,875.80 : x
  2. Step 2: Convert to fraction form
    5,798.18/8,697.30 = 2,875.80/x
  3. Step 3: Cross multiply
    5,798.18x = 8,697.30 × 2,875.80
  4. Step 4: Simplify right side
    5,798.18x = 25,011,695.34
  5. Step 5: Solve for x
    x = 25,011,695.34/5,798.18
  6. Step 6: Final answer
    x = 4,313.71

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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.