Home / 7,240.16-10,860.40-2,046.40

Finding the Fourth Proportional to 7,240.16, 10,860.40 and 2,046.40

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Solution

The fourth proportional to 7,240.16, 10,860.40 and 2,046.40 is: 3,069.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240.16 : 10,860.40 = 2,046.40 : x
  2. Step 2: Convert to fraction form
    7,240.16/10,860.40 = 2,046.40/x
  3. Step 3: Cross multiply
    7,240.16x = 10,860.40 × 2,046.40
  4. Step 4: Simplify right side
    7,240.16x = 22,224,722.56
  5. Step 5: Solve for x
    x = 22,224,722.56/7,240.16
  6. Step 6: Final answer
    x = 3,069.65

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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.