Home / 7,690.02-10,610.03-4,331.66

Finding the Fourth Proportional to 7,690.02, 10,610.03 and 4,331.66

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Solution

The fourth proportional to 7,690.02, 10,610.03 and 4,331.66 is: 5,976.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.02 : 10,610.03 = 4,331.66 : x
  2. Step 2: Convert to fraction form
    7,690.02/10,610.03 = 4,331.66/x
  3. Step 3: Cross multiply
    7,690.02x = 10,610.03 × 4,331.66
  4. Step 4: Simplify right side
    7,690.02x = 45,959,079.90
  5. Step 5: Solve for x
    x = 45,959,079.90/7,690.02
  6. Step 6: Final answer
    x = 5,976.46

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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.