Home / 7,290.52-10,061.40-4,305.56

Finding the Fourth Proportional to 7,290.52, 10,061.40 and 4,305.56

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Solution

The fourth proportional to 7,290.52, 10,061.40 and 4,305.56 is: 5,941.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.52 : 10,061.40 = 4,305.56 : x
  2. Step 2: Convert to fraction form
    7,290.52/10,061.40 = 4,305.56/x
  3. Step 3: Cross multiply
    7,290.52x = 10,061.40 × 4,305.56
  4. Step 4: Simplify right side
    7,290.52x = 43,319,961.38
  5. Step 5: Solve for x
    x = 43,319,961.38/7,290.52
  6. Step 6: Final answer
    x = 5,941.96

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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.