Home / 7,718.58-10,651.57-4,531.95

Finding the Fourth Proportional to 7,718.58, 10,651.57 and 4,531.95

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Solution

The fourth proportional to 7,718.58, 10,651.57 and 4,531.95 is: 6,254.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.58 : 10,651.57 = 4,531.95 : x
  2. Step 2: Convert to fraction form
    7,718.58/10,651.57 = 4,531.95/x
  3. Step 3: Cross multiply
    7,718.58x = 10,651.57 × 4,531.95
  4. Step 4: Simplify right side
    7,718.58x = 48,272,371.33
  5. Step 5: Solve for x
    x = 48,272,371.33/7,718.58
  6. Step 6: Final answer
    x = 6,254.05

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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.