Home / 2,561.16-3,537.96-1,866.24

Finding the Fourth Proportional to 2,561.16, 3,537.96 and 1,866.24

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Solution

The fourth proportional to 2,561.16, 3,537.96 and 1,866.24 is: 2,578.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,561.16 : 3,537.96 = 1,866.24 : x
  2. Step 2: Convert to fraction form
    2,561.16/3,537.96 = 1,866.24/x
  3. Step 3: Cross multiply
    2,561.16x = 3,537.96 × 1,866.24
  4. Step 4: Simplify right side
    2,561.16x = 6,602,682.47
  5. Step 5: Solve for x
    x = 6,602,682.47/2,561.16
  6. Step 6: Final answer
    x = 2,578.00

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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.