Home / 7,160.63-10,741.55-1,966.50

Finding the Fourth Proportional to 7,160.63, 10,741.55 and 1,966.50

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Solution

The fourth proportional to 7,160.63, 10,741.55 and 1,966.50 is: 2,949.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.63 : 10,741.55 = 1,966.50 : x
  2. Step 2: Convert to fraction form
    7,160.63/10,741.55 = 1,966.50/x
  3. Step 3: Cross multiply
    7,160.63x = 10,741.55 × 1,966.50
  4. Step 4: Simplify right side
    7,160.63x = 21,123,248.24
  5. Step 5: Solve for x
    x = 21,123,248.24/7,160.63
  6. Step 6: Final answer
    x = 2,949.92

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1.5x scale

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.