Home / 4,673.21-7,008.59-1,385.42

Finding the Fourth Proportional to 4,673.21, 7,008.59 and 1,385.42

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Solution

The fourth proportional to 4,673.21, 7,008.59 and 1,385.42 is: 2,077.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,673.21 : 7,008.59 = 1,385.42 : x
  2. Step 2: Convert to fraction form
    4,673.21/7,008.59 = 1,385.42/x
  3. Step 3: Cross multiply
    4,673.21x = 7,008.59 × 1,385.42
  4. Step 4: Simplify right side
    4,673.21x = 9,709,809.18
  5. Step 5: Solve for x
    x = 9,709,809.18/4,673.21
  6. Step 6: Final answer
    x = 2,077.76

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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.