Home / 7,572.30-11,358.91-2,378.18

Finding the Fourth Proportional to 7,572.30, 11,358.91 and 2,378.18

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Solution

The fourth proportional to 7,572.30, 11,358.91 and 2,378.18 is: 3,567.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572.30 : 11,358.91 = 2,378.18 : x
  2. Step 2: Convert to fraction form
    7,572.30/11,358.91 = 2,378.18/x
  3. Step 3: Cross multiply
    7,572.30x = 11,358.91 × 2,378.18
  4. Step 4: Simplify right side
    7,572.30x = 27,013,498.24
  5. Step 5: Solve for x
    x = 27,013,498.24/7,572.30
  6. Step 6: Final answer
    x = 3,567.41

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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.