Home / 7,571.18-11,348.75-2,888.16

Finding the Fourth Proportional to 7,571.18, 11,348.75 and 2,888.16

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Solution

The fourth proportional to 7,571.18, 11,348.75 and 2,888.16 is: 4,329.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,571.18 : 11,348.75 = 2,888.16 : x
  2. Step 2: Convert to fraction form
    7,571.18/11,348.75 = 2,888.16/x
  3. Step 3: Cross multiply
    7,571.18x = 11,348.75 × 2,888.16
  4. Step 4: Simplify right side
    7,571.18x = 32,776,991.36
  5. Step 5: Solve for x
    x = 32,776,991.36/7,571.18
  6. Step 6: Final answer
    x = 4,329.18

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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.