Home / 4,911.91-7,333.46-4,316.80

Finding the Fourth Proportional to 4,911.91, 7,333.46 and 4,316.80

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Solution

The fourth proportional to 4,911.91, 7,333.46 and 4,316.80 is: 6,444.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.91 : 7,333.46 = 4,316.80 : x
  2. Step 2: Convert to fraction form
    4,911.91/7,333.46 = 4,316.80/x
  3. Step 3: Cross multiply
    4,911.91x = 7,333.46 × 4,316.80
  4. Step 4: Simplify right side
    4,911.91x = 31,657,094.93
  5. Step 5: Solve for x
    x = 31,657,094.93/4,911.91
  6. Step 6: Final answer
    x = 6,444.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.