Home / 7,060.75-9,743.85-3,916.94

Finding the Fourth Proportional to 7,060.75, 9,743.85 and 3,916.94

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Solution

The fourth proportional to 7,060.75, 9,743.85 and 3,916.94 is: 5,405.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,060.75 : 9,743.85 = 3,916.94 : x
  2. Step 2: Convert to fraction form
    7,060.75/9,743.85 = 3,916.94/x
  3. Step 3: Cross multiply
    7,060.75x = 9,743.85 × 3,916.94
  4. Step 4: Simplify right side
    7,060.75x = 38,166,066.03
  5. Step 5: Solve for x
    x = 38,166,066.03/7,060.75
  6. Step 6: Final answer
    x = 5,405.38

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1.5x scale

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.