Home / 7,048.60-10,572.90-2,118.28

Finding the Fourth Proportional to 7,048.60, 10,572.90 and 2,118.28

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Solution

The fourth proportional to 7,048.60, 10,572.90 and 2,118.28 is: 3,177.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.60 : 10,572.90 = 2,118.28 : x
  2. Step 2: Convert to fraction form
    7,048.60/10,572.90 = 2,118.28/x
  3. Step 3: Cross multiply
    7,048.60x = 10,572.90 × 2,118.28
  4. Step 4: Simplify right side
    7,048.60x = 22,396,362.61
  5. Step 5: Solve for x
    x = 22,396,362.61/7,048.60
  6. Step 6: Final answer
    x = 3,177.42

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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.