Home / 5,435.51-8,156.30-5,017.55

Finding the Fourth Proportional to 5,435.51, 8,156.30 and 5,017.55

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Solution

The fourth proportional to 5,435.51, 8,156.30 and 5,017.55 is: 7,529.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.51 : 8,156.30 = 5,017.55 : x
  2. Step 2: Convert to fraction form
    5,435.51/8,156.30 = 5,017.55/x
  3. Step 3: Cross multiply
    5,435.51x = 8,156.30 × 5,017.55
  4. Step 4: Simplify right side
    5,435.51x = 40,924,577.20
  5. Step 5: Solve for x
    x = 40,924,577.20/5,435.51
  6. Step 6: Final answer
    x = 7,529.12

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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.