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Finding the Fourth Proportional to 3,598.75, 5,397.72 and 1,133.11

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Solution

The fourth proportional to 3,598.75, 5,397.72 and 1,133.11 is: 1,699.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,598.75 : 5,397.72 = 1,133.11 : x
  2. Step 2: Convert to fraction form
    3,598.75/5,397.72 = 1,133.11/x
  3. Step 3: Cross multiply
    3,598.75x = 5,397.72 × 1,133.11
  4. Step 4: Simplify right side
    3,598.75x = 6,116,210.51
  5. Step 5: Solve for x
    x = 6,116,210.51/3,598.75
  6. Step 6: Final answer
    x = 1,699.54

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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.