Home / 4,188.10-5,782.08-2,618.32

Finding the Fourth Proportional to 4,188.10, 5,782.08 and 2,618.32

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Solution

The fourth proportional to 4,188.10, 5,782.08 and 2,618.32 is: 3,614.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.10 : 5,782.08 = 2,618.32 : x
  2. Step 2: Convert to fraction form
    4,188.10/5,782.08 = 2,618.32/x
  3. Step 3: Cross multiply
    4,188.10x = 5,782.08 × 2,618.32
  4. Step 4: Simplify right side
    4,188.10x = 15,139,335.71
  5. Step 5: Solve for x
    x = 15,139,335.71/4,188.10
  6. Step 6: Final answer
    x = 3,614.85

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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.