Home / 7,578.08-10,452.74-4,740.53

Finding the Fourth Proportional to 7,578.08, 10,452.74 and 4,740.53

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Solution

The fourth proportional to 7,578.08, 10,452.74 and 4,740.53 is: 6,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,578.08 : 10,452.74 = 4,740.53 : x
  2. Step 2: Convert to fraction form
    7,578.08/10,452.74 = 4,740.53/x
  3. Step 3: Cross multiply
    7,578.08x = 10,452.74 × 4,740.53
  4. Step 4: Simplify right side
    7,578.08x = 49,551,527.55
  5. Step 5: Solve for x
    x = 49,551,527.55/7,578.08
  6. Step 6: Final answer
    x = 6,538.80

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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.