Home / 7,276.42-10,916.45-4,159.95

Finding the Fourth Proportional to 7,276.42, 10,916.45 and 4,159.95

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Solution

The fourth proportional to 7,276.42, 10,916.45 and 4,159.95 is: 6,240.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,276.42 : 10,916.45 = 4,159.95 : x
  2. Step 2: Convert to fraction form
    7,276.42/10,916.45 = 4,159.95/x
  3. Step 3: Cross multiply
    7,276.42x = 10,916.45 × 4,159.95
  4. Step 4: Simplify right side
    7,276.42x = 45,411,886.18
  5. Step 5: Solve for x
    x = 45,411,886.18/7,276.42
  6. Step 6: Final answer
    x = 6,240.97

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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.