Home / 4,914.50-6,781.76-2,925.02

Finding the Fourth Proportional to 4,914.50, 6,781.76 and 2,925.02

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Solution

The fourth proportional to 4,914.50, 6,781.76 and 2,925.02 is: 4,036.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914.50 : 6,781.76 = 2,925.02 : x
  2. Step 2: Convert to fraction form
    4,914.50/6,781.76 = 2,925.02/x
  3. Step 3: Cross multiply
    4,914.50x = 6,781.76 × 2,925.02
  4. Step 4: Simplify right side
    4,914.50x = 19,836,783.64
  5. Step 5: Solve for x
    x = 19,836,783.64/4,914.50
  6. Step 6: Final answer
    x = 4,036.38

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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.