Home / 7,370.92-10,172.01-4,387.15

Finding the Fourth Proportional to 7,370.92, 10,172.01 and 4,387.15

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Solution

The fourth proportional to 7,370.92, 10,172.01 and 4,387.15 is: 6,054.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,370.92 : 10,172.01 = 4,387.15 : x
  2. Step 2: Convert to fraction form
    7,370.92/10,172.01 = 4,387.15/x
  3. Step 3: Cross multiply
    7,370.92x = 10,172.01 × 4,387.15
  4. Step 4: Simplify right side
    7,370.92x = 44,626,133.67
  5. Step 5: Solve for x
    x = 44,626,133.67/7,370.92
  6. Step 6: Final answer
    x = 6,054.35

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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.