Home / 4,458.61-6,688.07-2,117.41

Finding the Fourth Proportional to 4,458.61, 6,688.07 and 2,117.41

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Solution

The fourth proportional to 4,458.61, 6,688.07 and 2,117.41 is: 3,176.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458.61 : 6,688.07 = 2,117.41 : x
  2. Step 2: Convert to fraction form
    4,458.61/6,688.07 = 2,117.41/x
  3. Step 3: Cross multiply
    4,458.61x = 6,688.07 × 2,117.41
  4. Step 4: Simplify right side
    4,458.61x = 14,161,366.93
  5. Step 5: Solve for x
    x = 14,161,366.93/4,458.61
  6. Step 6: Final answer
    x = 3,176.18

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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.