Home / 4,475.21-6,712.88-1,553.58

Finding the Fourth Proportional to 4,475.21, 6,712.88 and 1,553.58

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Solution

The fourth proportional to 4,475.21, 6,712.88 and 1,553.58 is: 2,330.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,475.21 : 6,712.88 = 1,553.58 : x
  2. Step 2: Convert to fraction form
    4,475.21/6,712.88 = 1,553.58/x
  3. Step 3: Cross multiply
    4,475.21x = 6,712.88 × 1,553.58
  4. Step 4: Simplify right side
    4,475.21x = 10,428,988.34
  5. Step 5: Solve for x
    x = 10,428,988.34/4,475.21
  6. Step 6: Final answer
    x = 2,330.39

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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.