Home / 3,518.90-4,854.84-2,259.86

Finding the Fourth Proportional to 3,518.90, 4,854.84 and 2,259.86

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Solution

The fourth proportional to 3,518.90, 4,854.84 and 2,259.86 is: 3,117.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.90 : 4,854.84 = 2,259.86 : x
  2. Step 2: Convert to fraction form
    3,518.90/4,854.84 = 2,259.86/x
  3. Step 3: Cross multiply
    3,518.90x = 4,854.84 × 2,259.86
  4. Step 4: Simplify right side
    3,518.90x = 10,971,258.72
  5. Step 5: Solve for x
    x = 10,971,258.72/3,518.90
  6. Step 6: Final answer
    x = 3,117.81

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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.