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Finding the Fourth Proportional to 5,720.51, 7,895.33 and 4,153.16

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Solution

The fourth proportional to 5,720.51, 7,895.33 and 4,153.16 is: 5,732.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.51 : 7,895.33 = 4,153.16 : x
  2. Step 2: Convert to fraction form
    5,720.51/7,895.33 = 4,153.16/x
  3. Step 3: Cross multiply
    5,720.51x = 7,895.33 × 4,153.16
  4. Step 4: Simplify right side
    5,720.51x = 32,790,508.50
  5. Step 5: Solve for x
    x = 32,790,508.50/5,720.51
  6. Step 6: Final answer
    x = 5,732.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.