Home / 5,599.34-8,399.78-1,900.58

Finding the Fourth Proportional to 5,599.34, 8,399.78 and 1,900.58

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Solution

The fourth proportional to 5,599.34, 8,399.78 and 1,900.58 is: 2,851.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,599.34 : 8,399.78 = 1,900.58 : x
  2. Step 2: Convert to fraction form
    5,599.34/8,399.78 = 1,900.58/x
  3. Step 3: Cross multiply
    5,599.34x = 8,399.78 × 1,900.58
  4. Step 4: Simplify right side
    5,599.34x = 15,964,402.37
  5. Step 5: Solve for x
    x = 15,964,402.37/5,599.34
  6. Step 6: Final answer
    x = 2,851.12

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.