Home / 5,685.48-8,529.37-2,398.58

Finding the Fourth Proportional to 5,685.48, 8,529.37 and 2,398.58

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Solution

The fourth proportional to 5,685.48, 8,529.37 and 2,398.58 is: 3,598.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.48 : 8,529.37 = 2,398.58 : x
  2. Step 2: Convert to fraction form
    5,685.48/8,529.37 = 2,398.58/x
  3. Step 3: Cross multiply
    5,685.48x = 8,529.37 × 2,398.58
  4. Step 4: Simplify right side
    5,685.48x = 20,458,376.29
  5. Step 5: Solve for x
    x = 20,458,376.29/5,685.48
  6. Step 6: Final answer
    x = 3,598.36

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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.