Home / 3,125.04-4,312.18-1,798.60

Finding the Fourth Proportional to 3,125.04, 4,312.18 and 1,798.60

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Solution

The fourth proportional to 3,125.04, 4,312.18 and 1,798.60 is: 2,481.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.04 : 4,312.18 = 1,798.60 : x
  2. Step 2: Convert to fraction form
    3,125.04/4,312.18 = 1,798.60/x
  3. Step 3: Cross multiply
    3,125.04x = 4,312.18 × 1,798.60
  4. Step 4: Simplify right side
    3,125.04x = 7,755,886.95
  5. Step 5: Solve for x
    x = 7,755,886.95/3,125.04
  6. Step 6: Final answer
    x = 2,481.85

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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.