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Finding the Fourth Proportional to 3,587.04, 5,382.40 and 1,763.04

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Solution

The fourth proportional to 3,587.04, 5,382.40 and 1,763.04 is: 2,645.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.04 : 5,382.40 = 1,763.04 : x
  2. Step 2: Convert to fraction form
    3,587.04/5,382.40 = 1,763.04/x
  3. Step 3: Cross multiply
    3,587.04x = 5,382.40 × 1,763.04
  4. Step 4: Simplify right side
    3,587.04x = 9,489,386.50
  5. Step 5: Solve for x
    x = 9,489,386.50/3,587.04
  6. Step 6: Final answer
    x = 2,645.46

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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.