Home / 2,448.52-3,379.02-1,386.36

Finding the Fourth Proportional to 2,448.52, 3,379.02 and 1,386.36

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Solution

The fourth proportional to 2,448.52, 3,379.02 and 1,386.36 is: 1,913.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,448.52 : 3,379.02 = 1,386.36 : x
  2. Step 2: Convert to fraction form
    2,448.52/3,379.02 = 1,386.36/x
  3. Step 3: Cross multiply
    2,448.52x = 3,379.02 × 1,386.36
  4. Step 4: Simplify right side
    2,448.52x = 4,684,538.17
  5. Step 5: Solve for x
    x = 4,684,538.17/2,448.52
  6. Step 6: Final answer
    x = 1,913.21

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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.