Home / 3,362.31-4,639.98-1,870.38

Finding the Fourth Proportional to 3,362.31, 4,639.98 and 1,870.38

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Solution

The fourth proportional to 3,362.31, 4,639.98 and 1,870.38 is: 2,581.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362.31 : 4,639.98 = 1,870.38 : x
  2. Step 2: Convert to fraction form
    3,362.31/4,639.98 = 1,870.38/x
  3. Step 3: Cross multiply
    3,362.31x = 4,639.98 × 1,870.38
  4. Step 4: Simplify right side
    3,362.31x = 8,678,525.79
  5. Step 5: Solve for x
    x = 8,678,525.79/3,362.31
  6. Step 6: Final answer
    x = 2,581.12

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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.