Home / 5,195.72-7,166.13-3,307.61

Finding the Fourth Proportional to 5,195.72, 7,166.13 and 3,307.61

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Solution

The fourth proportional to 5,195.72, 7,166.13 and 3,307.61 is: 4,561.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.72 : 7,166.13 = 3,307.61 : x
  2. Step 2: Convert to fraction form
    5,195.72/7,166.13 = 3,307.61/x
  3. Step 3: Cross multiply
    5,195.72x = 7,166.13 × 3,307.61
  4. Step 4: Simplify right side
    5,195.72x = 23,702,746.71
  5. Step 5: Solve for x
    x = 23,702,746.71/5,195.72
  6. Step 6: Final answer
    x = 4,561.98

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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.