Home / 7,307.88-10,952.64-3,143.04

Finding the Fourth Proportional to 7,307.88, 10,952.64 and 3,143.04

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Solution

The fourth proportional to 7,307.88, 10,952.64 and 3,143.04 is: 4,710.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,307.88 : 10,952.64 = 3,143.04 : x
  2. Step 2: Convert to fraction form
    7,307.88/10,952.64 = 3,143.04/x
  3. Step 3: Cross multiply
    7,307.88x = 10,952.64 × 3,143.04
  4. Step 4: Simplify right side
    7,307.88x = 34,424,585.63
  5. Step 5: Solve for x
    x = 34,424,585.63/7,307.88
  6. Step 6: Final answer
    x = 4,710.61

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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.