Home / 7,681.82-10,598.19-4,535.78

Finding the Fourth Proportional to 7,681.82, 10,598.19 and 4,535.78

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Solution

The fourth proportional to 7,681.82, 10,598.19 and 4,535.78 is: 6,257.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,681.82 : 10,598.19 = 4,535.78 : x
  2. Step 2: Convert to fraction form
    7,681.82/10,598.19 = 4,535.78/x
  3. Step 3: Cross multiply
    7,681.82x = 10,598.19 × 4,535.78
  4. Step 4: Simplify right side
    7,681.82x = 48,071,058.24
  5. Step 5: Solve for x
    x = 48,071,058.24/7,681.82
  6. Step 6: Final answer
    x = 6,257.77

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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.