Home / 7,058.46-10,587.66-2,128.47

Finding the Fourth Proportional to 7,058.46, 10,587.66 and 2,128.47

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Solution

The fourth proportional to 7,058.46, 10,587.66 and 2,128.47 is: 3,192.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,058.46 : 10,587.66 = 2,128.47 : x
  2. Step 2: Convert to fraction form
    7,058.46/10,587.66 = 2,128.47/x
  3. Step 3: Cross multiply
    7,058.46x = 10,587.66 × 2,128.47
  4. Step 4: Simplify right side
    7,058.46x = 22,535,516.68
  5. Step 5: Solve for x
    x = 22,535,516.68/7,058.46
  6. Step 6: Final answer
    x = 3,192.70

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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.