Home / 5,685.56-8,532.12-3,090.32

Finding the Fourth Proportional to 5,685.56, 8,532.12 and 3,090.32

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Solution

The fourth proportional to 5,685.56, 8,532.12 and 3,090.32 is: 4,637.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.56 : 8,532.12 = 3,090.32 : x
  2. Step 2: Convert to fraction form
    5,685.56/8,532.12 = 3,090.32/x
  3. Step 3: Cross multiply
    5,685.56x = 8,532.12 × 3,090.32
  4. Step 4: Simplify right side
    5,685.56x = 26,366,981.08
  5. Step 5: Solve for x
    x = 26,366,981.08/5,685.56
  6. Step 6: Final answer
    x = 4,637.53

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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.