Home / 5,058.46-7,588.40-1,770.80

Finding the Fourth Proportional to 5,058.46, 7,588.40 and 1,770.80

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Solution

The fourth proportional to 5,058.46, 7,588.40 and 1,770.80 is: 2,656.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,058.46 : 7,588.40 = 1,770.80 : x
  2. Step 2: Convert to fraction form
    5,058.46/7,588.40 = 1,770.80/x
  3. Step 3: Cross multiply
    5,058.46x = 7,588.40 × 1,770.80
  4. Step 4: Simplify right side
    5,058.46x = 13,437,548.84
  5. Step 5: Solve for x
    x = 13,437,548.84/5,058.46
  6. Step 6: Final answer
    x = 2,656.45

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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.