Home / 2,386.14-3,297.15-1,866.12

Finding the Fourth Proportional to 2,386.14, 3,297.15 and 1,866.12

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Solution

The fourth proportional to 2,386.14, 3,297.15 and 1,866.12 is: 2,578.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386.14 : 3,297.15 = 1,866.12 : x
  2. Step 2: Convert to fraction form
    2,386.14/3,297.15 = 1,866.12/x
  3. Step 3: Cross multiply
    2,386.14x = 3,297.15 × 1,866.12
  4. Step 4: Simplify right side
    2,386.14x = 6,152,877.56
  5. Step 5: Solve for x
    x = 6,152,877.56/2,386.14
  6. Step 6: Final answer
    x = 2,578.59

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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.