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Finding the Fourth Proportional to 5,368.24, 8,041.20 and 2,597.20

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Solution

The fourth proportional to 5,368.24, 8,041.20 and 2,597.20 is: 3,890.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,368.24 : 8,041.20 = 2,597.20 : x
  2. Step 2: Convert to fraction form
    5,368.24/8,041.20 = 2,597.20/x
  3. Step 3: Cross multiply
    5,368.24x = 8,041.20 × 2,597.20
  4. Step 4: Simplify right side
    5,368.24x = 20,884,604.64
  5. Step 5: Solve for x
    x = 20,884,604.64/5,368.24
  6. Step 6: Final answer
    x = 3,890.40

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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.