Home / 4,815.36-6,642.30-2,925.63

Finding the Fourth Proportional to 4,815.36, 6,642.30 and 2,925.63

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Solution

The fourth proportional to 4,815.36, 6,642.30 and 2,925.63 is: 4,035.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.36 : 6,642.30 = 2,925.63 : x
  2. Step 2: Convert to fraction form
    4,815.36/6,642.30 = 2,925.63/x
  3. Step 3: Cross multiply
    4,815.36x = 6,642.30 × 2,925.63
  4. Step 4: Simplify right side
    4,815.36x = 19,432,912.15
  5. Step 5: Solve for x
    x = 19,432,912.15/4,815.36
  6. Step 6: Final answer
    x = 4,035.61

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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.