Home / 5,720.32-8,580.45-3,758.32

Finding the Fourth Proportional to 5,720.32, 8,580.45 and 3,758.32

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Solution

The fourth proportional to 5,720.32, 8,580.45 and 3,758.32 is: 5,637.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.32 : 8,580.45 = 3,758.32 : x
  2. Step 2: Convert to fraction form
    5,720.32/8,580.45 = 3,758.32/x
  3. Step 3: Cross multiply
    5,720.32x = 8,580.45 × 3,758.32
  4. Step 4: Simplify right side
    5,720.32x = 32,248,076.84
  5. Step 5: Solve for x
    x = 32,248,076.84/5,720.32
  6. Step 6: Final answer
    x = 5,637.46

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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.