Home / 7,335.84-10,120.96-4,148.80

Finding the Fourth Proportional to 7,335.84, 10,120.96 and 4,148.80

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Solution

The fourth proportional to 7,335.84, 10,120.96 and 4,148.80 is: 5,723.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.84 : 10,120.96 = 4,148.80 : x
  2. Step 2: Convert to fraction form
    7,335.84/10,120.96 = 4,148.80/x
  3. Step 3: Cross multiply
    7,335.84x = 10,120.96 × 4,148.80
  4. Step 4: Simplify right side
    7,335.84x = 41,989,838.85
  5. Step 5: Solve for x
    x = 41,989,838.85/7,335.84
  6. Step 6: Final answer
    x = 5,723.93

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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.