Home / 5,116.63-7,060.95-3,020.75

Finding the Fourth Proportional to 5,116.63, 7,060.95 and 3,020.75

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Solution

The fourth proportional to 5,116.63, 7,060.95 and 3,020.75 is: 4,168.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.63 : 7,060.95 = 3,020.75 : x
  2. Step 2: Convert to fraction form
    5,116.63/7,060.95 = 3,020.75/x
  3. Step 3: Cross multiply
    5,116.63x = 7,060.95 × 3,020.75
  4. Step 4: Simplify right side
    5,116.63x = 21,329,364.71
  5. Step 5: Solve for x
    x = 21,329,364.71/5,116.63
  6. Step 6: Final answer
    x = 4,168.64

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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.