Home / 5,360.45-7,390.98-4,613.12

Finding the Fourth Proportional to 5,360.45, 7,390.98 and 4,613.12

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Solution

The fourth proportional to 5,360.45, 7,390.98 and 4,613.12 is: 6,360.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.45 : 7,390.98 = 4,613.12 : x
  2. Step 2: Convert to fraction form
    5,360.45/7,390.98 = 4,613.12/x
  3. Step 3: Cross multiply
    5,360.45x = 7,390.98 × 4,613.12
  4. Step 4: Simplify right side
    5,360.45x = 34,095,468.42
  5. Step 5: Solve for x
    x = 34,095,468.42/5,360.45
  6. Step 6: Final answer
    x = 6,360.57

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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.