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Finding the Fourth Proportional to 5,328.84, 7,353.95 and 2,971.14

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Solution

The fourth proportional to 5,328.84, 7,353.95 and 2,971.14 is: 4,100.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.84 : 7,353.95 = 2,971.14 : x
  2. Step 2: Convert to fraction form
    5,328.84/7,353.95 = 2,971.14/x
  3. Step 3: Cross multiply
    5,328.84x = 7,353.95 × 2,971.14
  4. Step 4: Simplify right side
    5,328.84x = 21,849,600.15
  5. Step 5: Solve for x
    x = 21,849,600.15/5,328.84
  6. Step 6: Final answer
    x = 4,100.25

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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.