Home / 7,291.60-10,058.58-5,520.13

Finding the Fourth Proportional to 7,291.60, 10,058.58 and 5,520.13

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Solution

The fourth proportional to 7,291.60, 10,058.58 and 5,520.13 is: 7,614.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,291.60 : 10,058.58 = 5,520.13 : x
  2. Step 2: Convert to fraction form
    7,291.60/10,058.58 = 5,520.13/x
  3. Step 3: Cross multiply
    7,291.60x = 10,058.58 × 5,520.13
  4. Step 4: Simplify right side
    7,291.60x = 55,524,669.22
  5. Step 5: Solve for x
    x = 55,524,669.22/7,291.60
  6. Step 6: Final answer
    x = 7,614.88

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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.