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Finding the Fourth Proportional to 3,598.89, 4,966.16 and 2,655.20

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Solution

The fourth proportional to 3,598.89, 4,966.16 and 2,655.20 is: 3,663.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,598.89 : 4,966.16 = 2,655.20 : x
  2. Step 2: Convert to fraction form
    3,598.89/4,966.16 = 2,655.20/x
  3. Step 3: Cross multiply
    3,598.89x = 4,966.16 × 2,655.20
  4. Step 4: Simplify right side
    3,598.89x = 13,186,109.93
  5. Step 5: Solve for x
    x = 13,186,109.93/3,598.89
  6. Step 6: Final answer
    x = 3,663.94

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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.