Home / 7,278.29-10,043.60-4,294.40

Finding the Fourth Proportional to 7,278.29, 10,043.60 and 4,294.40

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Solution

The fourth proportional to 7,278.29, 10,043.60 and 4,294.40 is: 5,926.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.29 : 10,043.60 = 4,294.40 : x
  2. Step 2: Convert to fraction form
    7,278.29/10,043.60 = 4,294.40/x
  3. Step 3: Cross multiply
    7,278.29x = 10,043.60 × 4,294.40
  4. Step 4: Simplify right side
    7,278.29x = 43,131,164.15
  5. Step 5: Solve for x
    x = 43,131,164.15/7,278.29
  6. Step 6: Final answer
    x = 5,926.01

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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.