Home / 3,531.24-4,870.98-2,133

Finding the Fourth Proportional to 3,531.24, 4,870.98 and 2,133

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Solution

The fourth proportional to 3,531.24, 4,870.98 and 2,133 is: 2,942.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.24 : 4,870.98 = 2,133 : x
  2. Step 2: Convert to fraction form
    3,531.24/4,870.98 = 2,133/x
  3. Step 3: Cross multiply
    3,531.24x = 4,870.98 × 2,133
  4. Step 4: Simplify right side
    3,531.24x = 10,389,800.34
  5. Step 5: Solve for x
    x = 10,389,800.34/3,531.24
  6. Step 6: Final answer
    x = 2,942.25

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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.