Home / 3,315.60-4,575.66-1,823.64

Finding the Fourth Proportional to 3,315.60, 4,575.66 and 1,823.64

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Solution

The fourth proportional to 3,315.60, 4,575.66 and 1,823.64 is: 2,516.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.60 : 4,575.66 = 1,823.64 : x
  2. Step 2: Convert to fraction form
    3,315.60/4,575.66 = 1,823.64/x
  3. Step 3: Cross multiply
    3,315.60x = 4,575.66 × 1,823.64
  4. Step 4: Simplify right side
    3,315.60x = 8,344,356.60
  5. Step 5: Solve for x
    x = 8,344,356.60/3,315.60
  6. Step 6: Final answer
    x = 2,516.70

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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.