Home / 6,472-8,931.42-3,677.56

Finding the Fourth Proportional to 6,472, 8,931.42 and 3,677.56

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Solution

The fourth proportional to 6,472, 8,931.42 and 3,677.56 is: 5,075.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,472 : 8,931.42 = 3,677.56 : x
  2. Step 2: Convert to fraction form
    6,472/8,931.42 = 3,677.56/x
  3. Step 3: Cross multiply
    6,472x = 8,931.42 × 3,677.56
  4. Step 4: Simplify right side
    6,472x = 32,845,832.94
  5. Step 5: Solve for x
    x = 32,845,832.94/6,472
  6. Step 6: Final answer
    x = 5,075.07

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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.