Home / 7,474.98-10,320.44-4,646.58

Finding the Fourth Proportional to 7,474.98, 10,320.44 and 4,646.58

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Solution

The fourth proportional to 7,474.98, 10,320.44 and 4,646.58 is: 6,415.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.98 : 10,320.44 = 4,646.58 : x
  2. Step 2: Convert to fraction form
    7,474.98/10,320.44 = 4,646.58/x
  3. Step 3: Cross multiply
    7,474.98x = 10,320.44 × 4,646.58
  4. Step 4: Simplify right side
    7,474.98x = 47,954,750.10
  5. Step 5: Solve for x
    x = 47,954,750.10/7,474.98
  6. Step 6: Final answer
    x = 6,415.37

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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.