Home / 2,445.08-3,681.80-1,800.32

Finding the Fourth Proportional to 2,445.08, 3,681.80 and 1,800.32

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Solution

The fourth proportional to 2,445.08, 3,681.80 and 1,800.32 is: 2,710.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.08 : 3,681.80 = 1,800.32 : x
  2. Step 2: Convert to fraction form
    2,445.08/3,681.80 = 1,800.32/x
  3. Step 3: Cross multiply
    2,445.08x = 3,681.80 × 1,800.32
  4. Step 4: Simplify right side
    2,445.08x = 6,628,418.18
  5. Step 5: Solve for x
    x = 6,628,418.18/2,445.08
  6. Step 6: Final answer
    x = 2,710.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.