Home / 4,378.19-6,567.60-1,258.16

Finding the Fourth Proportional to 4,378.19, 6,567.60 and 1,258.16

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Solution

The fourth proportional to 4,378.19, 6,567.60 and 1,258.16 is: 1,887.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.19 : 6,567.60 = 1,258.16 : x
  2. Step 2: Convert to fraction form
    4,378.19/6,567.60 = 1,258.16/x
  3. Step 3: Cross multiply
    4,378.19x = 6,567.60 × 1,258.16
  4. Step 4: Simplify right side
    4,378.19x = 8,263,058.78
  5. Step 5: Solve for x
    x = 8,263,058.78/4,378.19
  6. Step 6: Final answer
    x = 1,887.33

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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.