Home / 5,352.08-7,384.40-4,642.82

Finding the Fourth Proportional to 5,352.08, 7,384.40 and 4,642.82

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Solution

The fourth proportional to 5,352.08, 7,384.40 and 4,642.82 is: 6,405.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352.08 : 7,384.40 = 4,642.82 : x
  2. Step 2: Convert to fraction form
    5,352.08/7,384.40 = 4,642.82/x
  3. Step 3: Cross multiply
    5,352.08x = 7,384.40 × 4,642.82
  4. Step 4: Simplify right side
    5,352.08x = 34,284,424.97
  5. Step 5: Solve for x
    x = 34,284,424.97/5,352.08
  6. Step 6: Final answer
    x = 6,405.82

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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.