Home / 5,307.76-7,324.69-2,950.12

Finding the Fourth Proportional to 5,307.76, 7,324.69 and 2,950.12

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Solution

The fourth proportional to 5,307.76, 7,324.69 and 2,950.12 is: 4,071.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.76 : 7,324.69 = 2,950.12 : x
  2. Step 2: Convert to fraction form
    5,307.76/7,324.69 = 2,950.12/x
  3. Step 3: Cross multiply
    5,307.76x = 7,324.69 × 2,950.12
  4. Step 4: Simplify right side
    5,307.76x = 21,608,714.46
  5. Step 5: Solve for x
    x = 21,608,714.46/5,307.76
  6. Step 6: Final answer
    x = 4,071.16

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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.