Home / 7,387.72-10,195.08-4,030.48

Finding the Fourth Proportional to 7,387.72, 10,195.08 and 4,030.48

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Solution

The fourth proportional to 7,387.72, 10,195.08 and 4,030.48 is: 5,562.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.72 : 10,195.08 = 4,030.48 : x
  2. Step 2: Convert to fraction form
    7,387.72/10,195.08 = 4,030.48/x
  3. Step 3: Cross multiply
    7,387.72x = 10,195.08 × 4,030.48
  4. Step 4: Simplify right side
    7,387.72x = 41,091,066.04
  5. Step 5: Solve for x
    x = 41,091,066.04/7,387.72
  6. Step 6: Final answer
    x = 5,562.08

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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.