Home / 7,737.86-10,678.56-4,380.84

Finding the Fourth Proportional to 7,737.86, 10,678.56 and 4,380.84

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Solution

The fourth proportional to 7,737.86, 10,678.56 and 4,380.84 is: 6,045.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,737.86 : 10,678.56 = 4,380.84 : x
  2. Step 2: Convert to fraction form
    7,737.86/10,678.56 = 4,380.84/x
  3. Step 3: Cross multiply
    7,737.86x = 10,678.56 × 4,380.84
  4. Step 4: Simplify right side
    7,737.86x = 46,781,062.79
  5. Step 5: Solve for x
    x = 46,781,062.79/7,737.86
  6. Step 6: Final answer
    x = 6,045.74

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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.