Home / 5,061.28-7,011.70-4,940.32

Finding the Fourth Proportional to 5,061.28, 7,011.70 and 4,940.32

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Solution

The fourth proportional to 5,061.28, 7,011.70 and 4,940.32 is: 6,844.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,061.28 : 7,011.70 = 4,940.32 : x
  2. Step 2: Convert to fraction form
    5,061.28/7,011.70 = 4,940.32/x
  3. Step 3: Cross multiply
    5,061.28x = 7,011.70 × 4,940.32
  4. Step 4: Simplify right side
    5,061.28x = 34,640,041.74
  5. Step 5: Solve for x
    x = 34,640,041.74/5,061.28
  6. Step 6: Final answer
    x = 6,844.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.