Home / 6,669-9,203.76-3,875.04

Finding the Fourth Proportional to 6,669, 9,203.76 and 3,875.04

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Solution

The fourth proportional to 6,669, 9,203.76 and 3,875.04 is: 5,347.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,669 : 9,203.76 = 3,875.04 : x
  2. Step 2: Convert to fraction form
    6,669/9,203.76 = 3,875.04/x
  3. Step 3: Cross multiply
    6,669x = 9,203.76 × 3,875.04
  4. Step 4: Simplify right side
    6,669x = 35,664,938.15
  5. Step 5: Solve for x
    x = 35,664,938.15/6,669
  6. Step 6: Final answer
    x = 5,347.87

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1.5x scale

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.