Home / 1,652.51-2,476.63-1,261.07

Finding the Fourth Proportional to 1,652.51, 2,476.63 and 1,261.07

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Solution

The fourth proportional to 1,652.51, 2,476.63 and 1,261.07 is: 1,889.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,652.51 : 2,476.63 = 1,261.07 : x
  2. Step 2: Convert to fraction form
    1,652.51/2,476.63 = 1,261.07/x
  3. Step 3: Cross multiply
    1,652.51x = 2,476.63 × 1,261.07
  4. Step 4: Simplify right side
    1,652.51x = 3,123,203.79
  5. Step 5: Solve for x
    x = 3,123,203.79/1,652.51
  6. Step 6: Final answer
    x = 1,889.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.