Home / 5,915.70-8,873.55-2,459.70

Finding the Fourth Proportional to 5,915.70, 8,873.55 and 2,459.70

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Solution

The fourth proportional to 5,915.70, 8,873.55 and 2,459.70 is: 3,689.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.70 : 8,873.55 = 2,459.70 : x
  2. Step 2: Convert to fraction form
    5,915.70/8,873.55 = 2,459.70/x
  3. Step 3: Cross multiply
    5,915.70x = 8,873.55 × 2,459.70
  4. Step 4: Simplify right side
    5,915.70x = 21,826,270.94
  5. Step 5: Solve for x
    x = 21,826,270.94/5,915.70
  6. Step 6: Final answer
    x = 3,689.55

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1.5x scale

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.