Home / 7,717.08-10,649.58-4,180.29

Finding the Fourth Proportional to 7,717.08, 10,649.58 and 4,180.29

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Solution

The fourth proportional to 7,717.08, 10,649.58 and 4,180.29 is: 5,768.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.08 : 10,649.58 = 4,180.29 : x
  2. Step 2: Convert to fraction form
    7,717.08/10,649.58 = 4,180.29/x
  3. Step 3: Cross multiply
    7,717.08x = 10,649.58 × 4,180.29
  4. Step 4: Simplify right side
    7,717.08x = 44,518,332.78
  5. Step 5: Solve for x
    x = 44,518,332.78/7,717.08
  6. Step 6: Final answer
    x = 5,768.81

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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.