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Finding the Fourth Proportional to 5,328.97, 7,354.06 and 2,938.93

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Solution

The fourth proportional to 5,328.97, 7,354.06 and 2,938.93 is: 4,055.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.97 : 7,354.06 = 2,938.93 : x
  2. Step 2: Convert to fraction form
    5,328.97/7,354.06 = 2,938.93/x
  3. Step 3: Cross multiply
    5,328.97x = 7,354.06 × 2,938.93
  4. Step 4: Simplify right side
    5,328.97x = 21,613,041.82
  5. Step 5: Solve for x
    x = 21,613,041.82/5,328.97
  6. Step 6: Final answer
    x = 4,055.77

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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.