Home / 2,124.24-2,928.60-1,459.92

Finding the Fourth Proportional to 2,124.24, 2,928.60 and 1,459.92

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Solution

The fourth proportional to 2,124.24, 2,928.60 and 1,459.92 is: 2,012.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124.24 : 2,928.60 = 1,459.92 : x
  2. Step 2: Convert to fraction form
    2,124.24/2,928.60 = 1,459.92/x
  3. Step 3: Cross multiply
    2,124.24x = 2,928.60 × 1,459.92
  4. Step 4: Simplify right side
    2,124.24x = 4,275,521.71
  5. Step 5: Solve for x
    x = 4,275,521.71/2,124.24
  6. Step 6: Final answer
    x = 2,012.73

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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.