Home / 7,364.55-10,161.93-4,220.13

Finding the Fourth Proportional to 7,364.55, 10,161.93 and 4,220.13

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Solution

The fourth proportional to 7,364.55, 10,161.93 and 4,220.13 is: 5,823.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,364.55 : 10,161.93 = 4,220.13 : x
  2. Step 2: Convert to fraction form
    7,364.55/10,161.93 = 4,220.13/x
  3. Step 3: Cross multiply
    7,364.55x = 10,161.93 × 4,220.13
  4. Step 4: Simplify right side
    7,364.55x = 42,884,614.84
  5. Step 5: Solve for x
    x = 42,884,614.84/7,364.55
  6. Step 6: Final answer
    x = 5,823.12

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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.