Home / 3,362.26-4,640.15-1,870.45

Finding the Fourth Proportional to 3,362.26, 4,640.15 and 1,870.45

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Solution

The fourth proportional to 3,362.26, 4,640.15 and 1,870.45 is: 2,581.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362.26 : 4,640.15 = 1,870.45 : x
  2. Step 2: Convert to fraction form
    3,362.26/4,640.15 = 1,870.45/x
  3. Step 3: Cross multiply
    3,362.26x = 4,640.15 × 1,870.45
  4. Step 4: Simplify right side
    3,362.26x = 8,679,168.57
  5. Step 5: Solve for x
    x = 8,679,168.57/3,362.26
  6. Step 6: Final answer
    x = 2,581.35

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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.