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Finding the Fourth Proportional to 5,602.56, 8,404.12 and 2,140.08

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Solution

The fourth proportional to 5,602.56, 8,404.12 and 2,140.08 is: 3,210.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,602.56 : 8,404.12 = 2,140.08 : x
  2. Step 2: Convert to fraction form
    5,602.56/8,404.12 = 2,140.08/x
  3. Step 3: Cross multiply
    5,602.56x = 8,404.12 × 2,140.08
  4. Step 4: Simplify right side
    5,602.56x = 17,985,489.13
  5. Step 5: Solve for x
    x = 17,985,489.13/5,602.56
  6. Step 6: Final answer
    x = 3,210.23

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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.