Home / 5,598.19-7,725.88-3,240.34

Finding the Fourth Proportional to 5,598.19, 7,725.88 and 3,240.34

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Solution

The fourth proportional to 5,598.19, 7,725.88 and 3,240.34 is: 4,471.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,598.19 : 7,725.88 = 3,240.34 : x
  2. Step 2: Convert to fraction form
    5,598.19/7,725.88 = 3,240.34/x
  3. Step 3: Cross multiply
    5,598.19x = 7,725.88 × 3,240.34
  4. Step 4: Simplify right side
    5,598.19x = 25,034,462.73
  5. Step 5: Solve for x
    x = 25,034,462.73/5,598.19
  6. Step 6: Final answer
    x = 4,471.88

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Half scale
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Double scale
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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.