Home / 3,035.10-4,188.18-1,855.98

Finding the Fourth Proportional to 3,035.10, 4,188.18 and 1,855.98

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Solution

The fourth proportional to 3,035.10, 4,188.18 and 1,855.98 is: 2,561.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,035.10 : 4,188.18 = 1,855.98 : x
  2. Step 2: Convert to fraction form
    3,035.10/4,188.18 = 1,855.98/x
  3. Step 3: Cross multiply
    3,035.10x = 4,188.18 × 1,855.98
  4. Step 4: Simplify right side
    3,035.10x = 7,773,178.32
  5. Step 5: Solve for x
    x = 7,773,178.32/3,035.10
  6. Step 6: Final answer
    x = 2,561.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.