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Finding the Fourth Proportional to 3,560.31, 5,340.31 and 1,095.02

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Solution

The fourth proportional to 3,560.31, 5,340.31 and 1,095.02 is: 1,642.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.31 : 5,340.31 = 1,095.02 : x
  2. Step 2: Convert to fraction form
    3,560.31/5,340.31 = 1,095.02/x
  3. Step 3: Cross multiply
    3,560.31x = 5,340.31 × 1,095.02
  4. Step 4: Simplify right side
    3,560.31x = 5,847,746.26
  5. Step 5: Solve for x
    x = 5,847,746.26/3,560.31
  6. Step 6: Final answer
    x = 1,642.48

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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.