Home / 7,079.86-9,770.99-4,095.66

Finding the Fourth Proportional to 7,079.86, 9,770.99 and 4,095.66

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Solution

The fourth proportional to 7,079.86, 9,770.99 and 4,095.66 is: 5,652.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.86 : 9,770.99 = 4,095.66 : x
  2. Step 2: Convert to fraction form
    7,079.86/9,770.99 = 4,095.66/x
  3. Step 3: Cross multiply
    7,079.86x = 9,770.99 × 4,095.66
  4. Step 4: Simplify right side
    7,079.86x = 40,018,652.90
  5. Step 5: Solve for x
    x = 40,018,652.90/7,079.86
  6. Step 6: Final answer
    x = 5,652.46

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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.