Home / 7,331.75-10,117.83-4,187.93

Finding the Fourth Proportional to 7,331.75, 10,117.83 and 4,187.93

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Solution

The fourth proportional to 7,331.75, 10,117.83 and 4,187.93 is: 5,779.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.75 : 10,117.83 = 4,187.93 : x
  2. Step 2: Convert to fraction form
    7,331.75/10,117.83 = 4,187.93/x
  3. Step 3: Cross multiply
    7,331.75x = 10,117.83 × 4,187.93
  4. Step 4: Simplify right side
    7,331.75x = 42,372,763.79
  5. Step 5: Solve for x
    x = 42,372,763.79/7,331.75
  6. Step 6: Final answer
    x = 5,779.35

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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.