Home / 3,534.65-4,877.84-1,941.45

Finding the Fourth Proportional to 3,534.65, 4,877.84 and 1,941.45

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Solution

The fourth proportional to 3,534.65, 4,877.84 and 1,941.45 is: 2,679.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,534.65 : 4,877.84 = 1,941.45 : x
  2. Step 2: Convert to fraction form
    3,534.65/4,877.84 = 1,941.45/x
  3. Step 3: Cross multiply
    3,534.65x = 4,877.84 × 1,941.45
  4. Step 4: Simplify right side
    3,534.65x = 9,470,082.47
  5. Step 5: Solve for x
    x = 9,470,082.47/3,534.65
  6. Step 6: Final answer
    x = 2,679.21

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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.