Home / 1,762.32-2,431.83-1,054.02

Finding the Fourth Proportional to 1,762.32, 2,431.83 and 1,054.02

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Solution

The fourth proportional to 1,762.32, 2,431.83 and 1,054.02 is: 1,454.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762.32 : 2,431.83 = 1,054.02 : x
  2. Step 2: Convert to fraction form
    1,762.32/2,431.83 = 1,054.02/x
  3. Step 3: Cross multiply
    1,762.32x = 2,431.83 × 1,054.02
  4. Step 4: Simplify right side
    1,762.32x = 2,563,197.46
  5. Step 5: Solve for x
    x = 2,563,197.46/1,762.32
  6. Step 6: Final answer
    x = 1,454.44

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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.