Home / 1,807.95-2,493.60-1,232.18

Finding the Fourth Proportional to 1,807.95, 2,493.60 and 1,232.18

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Solution

The fourth proportional to 1,807.95, 2,493.60 and 1,232.18 is: 1,699.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807.95 : 2,493.60 = 1,232.18 : x
  2. Step 2: Convert to fraction form
    1,807.95/2,493.60 = 1,232.18/x
  3. Step 3: Cross multiply
    1,807.95x = 2,493.60 × 1,232.18
  4. Step 4: Simplify right side
    1,807.95x = 3,072,551.58
  5. Step 5: Solve for x
    x = 3,072,551.58/1,807.95
  6. Step 6: Final answer
    x = 1,699.47

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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.