Home / 7,717.02-10,649.45-4,180.24

Finding the Fourth Proportional to 7,717.02, 10,649.45 and 4,180.24

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Solution

The fourth proportional to 7,717.02, 10,649.45 and 4,180.24 is: 5,768.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.02 : 10,649.45 = 4,180.24 : x
  2. Step 2: Convert to fraction form
    7,717.02/10,649.45 = 4,180.24/x
  3. Step 3: Cross multiply
    7,717.02x = 10,649.45 × 4,180.24
  4. Step 4: Simplify right side
    7,717.02x = 44,517,280.63
  5. Step 5: Solve for x
    x = 44,517,280.63/7,717.02
  6. Step 6: Final answer
    x = 5,768.71

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Half scale
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Double scale
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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.