Home / 1,763.15-2,432.98-1,054.85

Finding the Fourth Proportional to 1,763.15, 2,432.98 and 1,054.85

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Solution

The fourth proportional to 1,763.15, 2,432.98 and 1,054.85 is: 1,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763.15 : 2,432.98 = 1,054.85 : x
  2. Step 2: Convert to fraction form
    1,763.15/2,432.98 = 1,054.85/x
  3. Step 3: Cross multiply
    1,763.15x = 2,432.98 × 1,054.85
  4. Step 4: Simplify right side
    1,763.15x = 2,566,428.95
  5. Step 5: Solve for x
    x = 2,566,428.95/1,763.15
  6. Step 6: Final answer
    x = 1,455.60

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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.