Home / 2,448.04-3,378.12-1,400.08

Finding the Fourth Proportional to 2,448.04, 3,378.12 and 1,400.08

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Solution

The fourth proportional to 2,448.04, 3,378.12 and 1,400.08 is: 1,932.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,448.04 : 3,378.12 = 1,400.08 : x
  2. Step 2: Convert to fraction form
    2,448.04/3,378.12 = 1,400.08/x
  3. Step 3: Cross multiply
    2,448.04x = 3,378.12 × 1,400.08
  4. Step 4: Simplify right side
    2,448.04x = 4,729,638.25
  5. Step 5: Solve for x
    x = 4,729,638.25/2,448.04
  6. Step 6: Final answer
    x = 1,932.01

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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.