Home / 7,335.42-10,122.75-4,191.18

Finding the Fourth Proportional to 7,335.42, 10,122.75 and 4,191.18

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Solution

The fourth proportional to 7,335.42, 10,122.75 and 4,191.18 is: 5,783.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.42 : 10,122.75 = 4,191.18 : x
  2. Step 2: Convert to fraction form
    7,335.42/10,122.75 = 4,191.18/x
  3. Step 3: Cross multiply
    7,335.42x = 10,122.75 × 4,191.18
  4. Step 4: Simplify right side
    7,335.42x = 42,426,267.35
  5. Step 5: Solve for x
    x = 42,426,267.35/7,335.42
  6. Step 6: Final answer
    x = 5,783.75

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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.