Home / 7,002.82-9,663.38-4,018.58

Finding the Fourth Proportional to 7,002.82, 9,663.38 and 4,018.58

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Solution

The fourth proportional to 7,002.82, 9,663.38 and 4,018.58 is: 5,545.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002.82 : 9,663.38 = 4,018.58 : x
  2. Step 2: Convert to fraction form
    7,002.82/9,663.38 = 4,018.58/x
  3. Step 3: Cross multiply
    7,002.82x = 9,663.38 × 4,018.58
  4. Step 4: Simplify right side
    7,002.82x = 38,833,017.28
  5. Step 5: Solve for x
    x = 38,833,017.28/7,002.82
  6. Step 6: Final answer
    x = 5,545.34

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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.