Home / 7,919.51-10,928.76-4,562.30

Finding the Fourth Proportional to 7,919.51, 10,928.76 and 4,562.30

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Solution

The fourth proportional to 7,919.51, 10,928.76 and 4,562.30 is: 6,295.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.51 : 10,928.76 = 4,562.30 : x
  2. Step 2: Convert to fraction form
    7,919.51/10,928.76 = 4,562.30/x
  3. Step 3: Cross multiply
    7,919.51x = 10,928.76 × 4,562.30
  4. Step 4: Simplify right side
    7,919.51x = 49,860,227.10
  5. Step 5: Solve for x
    x = 49,860,227.10/7,919.51
  6. Step 6: Final answer
    x = 6,295.88

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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.