Home / 2,561.02-3,534.65-1,892.30

Finding the Fourth Proportional to 2,561.02, 3,534.65 and 1,892.30

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Solution

The fourth proportional to 2,561.02, 3,534.65 and 1,892.30 is: 2,611.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,561.02 : 3,534.65 = 1,892.30 : x
  2. Step 2: Convert to fraction form
    2,561.02/3,534.65 = 1,892.30/x
  3. Step 3: Cross multiply
    2,561.02x = 3,534.65 × 1,892.30
  4. Step 4: Simplify right side
    2,561.02x = 6,688,618.20
  5. Step 5: Solve for x
    x = 6,688,618.20/2,561.02
  6. Step 6: Final answer
    x = 2,611.70

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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.