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Finding the Fourth Proportional to 3,926.99, 5,894.58 and 2,888.16

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Solution

The fourth proportional to 3,926.99, 5,894.58 and 2,888.16 is: 4,335.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.99 : 5,894.58 = 2,888.16 : x
  2. Step 2: Convert to fraction form
    3,926.99/5,894.58 = 2,888.16/x
  3. Step 3: Cross multiply
    3,926.99x = 5,894.58 × 2,888.16
  4. Step 4: Simplify right side
    3,926.99x = 17,024,490.17
  5. Step 5: Solve for x
    x = 17,024,490.17/3,926.99
  6. Step 6: Final answer
    x = 4,335.26

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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.