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Finding the Fourth Proportional to 3,547.04, 5,320.82 and 1,082.04

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Solution

The fourth proportional to 3,547.04, 5,320.82 and 1,082.04 is: 1,623.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.04 : 5,320.82 = 1,082.04 : x
  2. Step 2: Convert to fraction form
    3,547.04/5,320.82 = 1,082.04/x
  3. Step 3: Cross multiply
    3,547.04x = 5,320.82 × 1,082.04
  4. Step 4: Simplify right side
    3,547.04x = 5,757,340.07
  5. Step 5: Solve for x
    x = 5,757,340.07/3,547.04
  6. Step 6: Final answer
    x = 1,623.14

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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.