Home / 7,474.85-10,320.26-4,646.45

Finding the Fourth Proportional to 7,474.85, 10,320.26 and 4,646.45

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Solution

The fourth proportional to 7,474.85, 10,320.26 and 4,646.45 is: 6,415.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.85 : 10,320.26 = 4,646.45 : x
  2. Step 2: Convert to fraction form
    7,474.85/10,320.26 = 4,646.45/x
  3. Step 3: Cross multiply
    7,474.85x = 10,320.26 × 4,646.45
  4. Step 4: Simplify right side
    7,474.85x = 47,952,572.08
  5. Step 5: Solve for x
    x = 47,952,572.08/7,474.85
  6. Step 6: Final answer
    x = 6,415.19

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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.