Home / 7,570.07-11,360.92-3,871.99

Finding the Fourth Proportional to 7,570.07, 11,360.92 and 3,871.99

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Solution

The fourth proportional to 7,570.07, 11,360.92 and 3,871.99 is: 5,810.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,570.07 : 11,360.92 = 3,871.99 : x
  2. Step 2: Convert to fraction form
    7,570.07/11,360.92 = 3,871.99/x
  3. Step 3: Cross multiply
    7,570.07x = 11,360.92 × 3,871.99
  4. Step 4: Simplify right side
    7,570.07x = 43,989,368.63
  5. Step 5: Solve for x
    x = 43,989,368.63/7,570.07
  6. Step 6: Final answer
    x = 5,810.96

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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.