Home / 5,915.60-8,856.24-4,158.32

Finding the Fourth Proportional to 5,915.60, 8,856.24 and 4,158.32

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Solution

The fourth proportional to 5,915.60, 8,856.24 and 4,158.32 is: 6,225.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.60 : 8,856.24 = 4,158.32 : x
  2. Step 2: Convert to fraction form
    5,915.60/8,856.24 = 4,158.32/x
  3. Step 3: Cross multiply
    5,915.60x = 8,856.24 × 4,158.32
  4. Step 4: Simplify right side
    5,915.60x = 36,827,079.92
  5. Step 5: Solve for x
    x = 36,827,079.92/5,915.60
  6. Step 6: Final answer
    x = 6,225.42

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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.