Home / 7,399.02-10,210.67-4,255

Finding the Fourth Proportional to 7,399.02, 10,210.67 and 4,255

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Solution

The fourth proportional to 7,399.02, 10,210.67 and 4,255 is: 5,871.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399.02 : 10,210.67 = 4,255 : x
  2. Step 2: Convert to fraction form
    7,399.02/10,210.67 = 4,255/x
  3. Step 3: Cross multiply
    7,399.02x = 10,210.67 × 4,255
  4. Step 4: Simplify right side
    7,399.02x = 43,446,400.85
  5. Step 5: Solve for x
    x = 43,446,400.85/7,399.02
  6. Step 6: Final answer
    x = 5,871.91

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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.