Home / 5,058.48-7,588.78-1,771.68

Finding the Fourth Proportional to 5,058.48, 7,588.78 and 1,771.68

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Solution

The fourth proportional to 5,058.48, 7,588.78 and 1,771.68 is: 2,657.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,058.48 : 7,588.78 = 1,771.68 : x
  2. Step 2: Convert to fraction form
    5,058.48/7,588.78 = 1,771.68/x
  3. Step 3: Cross multiply
    5,058.48x = 7,588.78 × 1,771.68
  4. Step 4: Simplify right side
    5,058.48x = 13,444,889.75
  5. Step 5: Solve for x
    x = 13,444,889.75/5,058.48
  6. Step 6: Final answer
    x = 2,657.89

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1.5x scale

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.