Home / 1,840.01-2,538.47-1,131.63

Finding the Fourth Proportional to 1,840.01, 2,538.47 and 1,131.63

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Solution

The fourth proportional to 1,840.01, 2,538.47 and 1,131.63 is: 1,561.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.01 : 2,538.47 = 1,131.63 : x
  2. Step 2: Convert to fraction form
    1,840.01/2,538.47 = 1,131.63/x
  3. Step 3: Cross multiply
    1,840.01x = 2,538.47 × 1,131.63
  4. Step 4: Simplify right side
    1,840.01x = 2,872,596.11
  5. Step 5: Solve for x
    x = 2,872,596.11/1,840.01
  6. Step 6: Final answer
    x = 1,561.19

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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.