Home / 1,841.74-2,548.16-1,561.07

Finding the Fourth Proportional to 1,841.74, 2,548.16 and 1,561.07

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Solution

The fourth proportional to 1,841.74, 2,548.16 and 1,561.07 is: 2,159.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,841.74 : 2,548.16 = 1,561.07 : x
  2. Step 2: Convert to fraction form
    1,841.74/2,548.16 = 1,561.07/x
  3. Step 3: Cross multiply
    1,841.74x = 2,548.16 × 1,561.07
  4. Step 4: Simplify right side
    1,841.74x = 3,977,860.55
  5. Step 5: Solve for x
    x = 3,977,860.55/1,841.74
  6. Step 6: Final answer
    x = 2,159.84

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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.