Home / 1,556.53-2,148.27-1,058.89

Finding the Fourth Proportional to 1,556.53, 2,148.27 and 1,058.89

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Solution

The fourth proportional to 1,556.53, 2,148.27 and 1,058.89 is: 1,461.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.53 : 2,148.27 = 1,058.89 : x
  2. Step 2: Convert to fraction form
    1,556.53/2,148.27 = 1,058.89/x
  3. Step 3: Cross multiply
    1,556.53x = 2,148.27 × 1,058.89
  4. Step 4: Simplify right side
    1,556.53x = 2,274,781.62
  5. Step 5: Solve for x
    x = 2,274,781.62/1,556.53
  6. Step 6: Final answer
    x = 1,461.44

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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.