Home / 5,672.84-8,507.40-2,385.32

Finding the Fourth Proportional to 5,672.84, 8,507.40 and 2,385.32

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Solution

The fourth proportional to 5,672.84, 8,507.40 and 2,385.32 is: 3,577.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.84 : 8,507.40 = 2,385.32 : x
  2. Step 2: Convert to fraction form
    5,672.84/8,507.40 = 2,385.32/x
  3. Step 3: Cross multiply
    5,672.84x = 8,507.40 × 2,385.32
  4. Step 4: Simplify right side
    5,672.84x = 20,292,871.37
  5. Step 5: Solve for x
    x = 20,292,871.37/5,672.84
  6. Step 6: Final answer
    x = 3,577.20

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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.