Home / 6,312.99-9,470.01-2,151.31

Finding the Fourth Proportional to 6,312.99, 9,470.01 and 2,151.31

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Solution

The fourth proportional to 6,312.99, 9,470.01 and 2,151.31 is: 3,227.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,312.99 : 9,470.01 = 2,151.31 : x
  2. Step 2: Convert to fraction form
    6,312.99/9,470.01 = 2,151.31/x
  3. Step 3: Cross multiply
    6,312.99x = 9,470.01 × 2,151.31
  4. Step 4: Simplify right side
    6,312.99x = 20,372,929.36
  5. Step 5: Solve for x
    x = 20,372,929.36/6,312.99
  6. Step 6: Final answer
    x = 3,227.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.