Home / 5,913.15-8,159.78-3,260.58

Finding the Fourth Proportional to 5,913.15, 8,159.78 and 3,260.58

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Solution

The fourth proportional to 5,913.15, 8,159.78 and 3,260.58 is: 4,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.15 : 8,159.78 = 3,260.58 : x
  2. Step 2: Convert to fraction form
    5,913.15/8,159.78 = 3,260.58/x
  3. Step 3: Cross multiply
    5,913.15x = 8,159.78 × 3,260.58
  4. Step 4: Simplify right side
    5,913.15x = 26,605,599.17
  5. Step 5: Solve for x
    x = 26,605,599.17/5,913.15
  6. Step 6: Final answer
    x = 4,499.40

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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.