Home / 5,549.36-7,657.08-3,422.88

Finding the Fourth Proportional to 5,549.36, 7,657.08 and 3,422.88

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Solution

The fourth proportional to 5,549.36, 7,657.08 and 3,422.88 is: 4,722.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,549.36 : 7,657.08 = 3,422.88 : x
  2. Step 2: Convert to fraction form
    5,549.36/7,657.08 = 3,422.88/x
  3. Step 3: Cross multiply
    5,549.36x = 7,657.08 × 3,422.88
  4. Step 4: Simplify right side
    5,549.36x = 26,209,265.99
  5. Step 5: Solve for x
    x = 26,209,265.99/5,549.36
  6. Step 6: Final answer
    x = 4,722.93

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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.